Collection inventory

Overview of the Collection
Creator:	McDonald, Joseph.
Title:	Joseph McDonald Collection of Plastics Patents
Inclusive Dates:	1930-1989
Quantity:	1 linear ft.
Abstract:	Collection contains copies of patents for plastic food and beverage containers collected by Joseph McDonald from 1951 to 1989, in the course of his work for Sweetheart Plastics, Inc. and a selection of technical offprints and reports.
Language:	English
Repository:	Special Collections Research Center, Syracuse University Libraries 222 Waverly Avenue Syracuse, NY 13244-2010 https://library.syracuse.edu/special-collections-research-center

Biographical History

Joseph McDonald was an American researcher and consultant in the field of plastics. He was employed by Sweetheart Plastics, Inc., a division of Maryland Cup Corporation, in Wilmington, Massachusetts. He later formed Joseph McDonald Associates, Inc. in Lexington, Massachusetts.

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Scope and Contents of the Collection

The Joseph McDonald Collection of Plastics Patents contains copies of patents for plastic food and beverage containers collected by Joseph McDonald from 1951 to 1989, in the course of his work for Sweetheart Plastics, Inc. (originally Maryland Cup) and a selection of technical offprints and reports. Many of these patents are the work of Thomas W. Winstead who head the research division of Sweetheart.

Patents contains copies of patents for plastic food and beverage containers. Notes and letters regarding work and research on products and patents by Sweetheart Plastics are kept with the patents they describe. These patents originate mostly from the United States Patent Office but include one Canadian and one German patent.

Publications contains articles, papers, and reports about plastics and its applications, including electrical insulating, styrene and packaging. It contains two reports written for Sweetheart Plastics relating to extrusion and thermoforming technical data (1966) and two reports written for Winstead Patents, a division of Maryland Corp. (1977 and 1989).

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Arrangement of the Collection

Collection found in archives intact in a largely chronological order. Notes and letters were kept with patents as found to preserve original order and context as much as possible.

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Restrictions

Access Restrictions

The majority of our archival and manuscript collections are housed offsite and require advanced notice for retrieval. Researchers are encouraged to contact us in advance concerning the collection material they wish to access for their research.

Use Restrictions

Written permission must be obtained from SCRC and all relevant rights holders before publishing quotations, excerpts or images from any materials in this collection.

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Related Material

Special Collections Research Center has numerous holdings in the areas of plastics and industrial design. Please refer to the SCRC Subject Index for a complete listing.

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Subject Headings

Persons

Corporate Bodies

Subjects

Genres and Forms

Occupations

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Administrative Information

Preferred Citation

Preferred citation for this material is as follows:

Joseph McDonald Collection of Plastics Patents,
Special Collections Research Center,
Syracuse University Libraries

Acquisition Information

Transfer from National Plastics Center and Museum, 2008.

Finding Aid Information

Created by: MM
Date: 2006
Revision history: Feb 2009 - converted to EAD (MRC); Feb 2012 - updated (TLJ)

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Inventory

	Patents
Box 1		Correspondence, notes, etc. 1951, 1986, 1989
			Notes on a Discussion of New Polystyrene Materials; J.L. Amos, C. Miller, W.H. Schuette, E.L. Kropscott, H.W. Wehr and J.N. McDonald; October 15, 1951 Application of Frederick W. Gander, Erhard F. Hoegger and William P. Kane; To The United States Patent Office; Polyethylene, terephthalate/terpolymer blends; Films, sheets and articles made using such blends; and Method of making trays using such sheets Receipt from Office of Patent and Trademark Services; To Patent and Trademark Customer Joseph McDonald Associates, Inc.; May 12, 1989 Letter from Herbert L. Gatewood of Marullo & Barnes, Attorneys at Law, Boston, MA; To Mr. Gerald K. Parker, President of Artisan Plastics Corporation; Subject: Re: Tamper Evident Package Invention, File No. 3353/3.86; August 4, 1986 Letter from Du Pont Corporation, E.W. Heiderich; To Gim P. Fong, Sweethearts Plastic, Inc.; December 13, 1977
Box 1		Patents 1930-1966
			Container, Henry Nias and William Poster, inventors; Lily-Tulip Cup Corporation; June 24, 1930; patent # 1,766,226 Method of and Apparatus for Producing Reticulated Articles from Thermoplastics, John J. Grebe and Ernest H. Harder, inventors; The Dow Chemical Company; October 31, 1944; patent # 2,361,369 Vinylidene Chloride Compositions , Edgar C. Britton and Harold W. Moll, inventors; The Dow Chemical Company; Sept 18, 1945; patent # 2,384,884 Foamed Polystyrene Article, James B. Sisson, inventor; St. Regis Paper Company; December 15, 1959; patent # 2,917,217 Process for Producing Folded Rim on a Container of Plastic Material, as well as an apparatus for carrying out this process, Kornelis van de Kerke and Dirk van de Kerke, inventors; July 11, 1961; patent # 2,991,602 Method for Cold Forming Plastic Article, Eckel R. Lane; inventor; March 30, 1976; patent # 3,947,539 Extruded Foam Polystyrene, Albert R. Kudlach; inventor; September 18, 1962; patent # 648, 802 Thin Walled Plastic Container, James R. Caine, inventor; July 24, 1962; patent #3,045,887 Storage stable expandable polymeric composition containing expandable polymeric particles and two different blowing agents and method of making same, Carl H. Pottenger, inventor; Koppers Company, Inc.; patent # 3,089,857 Cup for hot beverage, William L. Miller, inventor; Continental Can Company, Inc.; May 3, 1964; patent # 3,123,273 Composite Plastic Container, Albert McConnell, inventor; Scott Paper Company; August 10, 1965; patent # 3,199,757 Container Rim Formation, Andre F. Commeyras , inventor; Sweetheart Plastics, Inc.; December 13, 1966; patent # 3,291,361 Plastic container for dairy products or the like, Paul Davis, inventor; Sweetheart Plastics, Inc.; March 29, 1966; Patent # 204,212 Nestable Container, Samuel Shapiro and James C. White, inventors; American Seal-Kap Corp.; November 29. 1966; patent # 3,288,340
Box 1		Patents 1967-1970
			Combined Paperboard and Plastic Egg Carton, Theodore C. Baker, inventor; October 10, 1967; patent # 3,346,171 Container Lip Rolling Machine , Walter O. Weber, inventor; Haveg Industries, Inc.; December 19, 1967; patent # 3,358,331 Automatic Rim Rolling Apparatus, Frank Rukavina, inventor; Illinois Tool Works, Inc.; July 6, 1965; patent # 3,192,565 Method of extruding a foamed plastic sheet having a skin on one surface, Jerome Alfred Cherney, Hubert Joseph Germiat and Elbert William Perry, inventors; American Can Company; March 28, 1967; patent # 3,311,681 Nestable Containers, Daniel R. Kalata and Henry H. Houston, inventors; October 17, 1967; patent # 3,347,411 Nesting Container, Martin Mueller, inventor; Lily-Tulip Cup Corporation; December 19, 1967; patent # 3,358,879 Container, Charles Fitzgerald, inventor, The Dow Chemical Company; August 12, 1968, patent # 3,396,868 Plastic Glasses, Paul K. Schilling, inventor; Plastics, Inc.; January 16, 1968; patent # 3,363,820Package for Fragile Articles, Bryant Edwards, inventor; Illinois Tool Works, Inc.; February 3, 1970; patent # 3,493,164 Insulated Double Cup, Bryant Edwards, inventor; Illinois Tool Works, Inc.; March 12, 1968; Patent # 3,372,830 Plastic container for materials in bulk, Stephen Fotos, inventor; Union Carbide Corporation; January 9, 1968; Patent # 3,362,575 Container Lid, Robert J. McCormick, inventor; The Dow Chemical Company; January 9, 1968; Patent # 3,362,565 Method for printing on foam polystyrene with cellulose ether printing composition, Ralph Karsten, inventor; Screen-Flock Industries, Inc.; July 29, 1969; Patent # 3,458,340 Kunststoffbehalter, Antrag auf Nichtnennung, inventor; Tedeco-Verpackung; October 16, 1969; Patent # 1,302,048 Extrusion Method, Lloyd Edward Lefevre and Peter Breidt, Jr., inventors; The Dow Chemical Company; November 18, 1969; Patent # 3,479,425 Method of Extruding Laminates, Douglas S. Chisholm and Walter J. Schrenk, inventors; The Dow Chemical Company; January 19, 1971; patent # 3,557,265 Apparatus for Extrusion of Thermoplastics, Gene Leroy, inventor; Union Carbide Corporation; December 30, 1969; Patent # 3,486,192 Apparatus for Extruding Thermoplastic Materials, J.S. Gwinn and D.C. Christensen, inventors; Phillips Petroleum Company; December 30, 1969; Patent # 3,486,193 Continuous method and apparatus for manufacturing articles from foamed thermoplastic material, Thomas W. Winstead, inventor; November 25, 1969; Patent # 3,479,694 Biaxial Stretching Machine, H.C. Tsien, inventor; Esso Research and Engineering Company; February 18, 1969; Patent # 3,427,684 Biaxial Orientation, Heinz E. Pahlke, inventor; July 15, 1969; Patent # 3,456,044 Thermoforming Apparatus, Joseph C. Morin, inventor; Cupples Container Company; October 21, 1969; Patent # 3,473,195 Container, James E. Foote, inventor; Diamond International Corporation; September 23, 1969; Patent # 3, 468,468 Extruder for Shaping Powdery Thermoplastic Resins; Akira Iwata and Sadao Murai, inventors; Sekisui Kazaku Kogyo Kabushiki Kaisha; October 7, 1969; Patent # 3,470,584 Deep Draw Article Forming Apparatus, Bryant Edwards, inventor; Illinois Tool Works, Inc.; May 12, 1970; Patent # 3,510,913 Method for the Preparation of Foamed Sheet and Product Obtained Thereby, Donald W. Simpson and John Y. Glass, inventors; The Dow Chemical Company; November 10, 1970; Patent # 3,539,473 Container, Charles E. Fitzgerald, inventor; The Dow Chemical Company; The Dow Chemical Company; August 12, 1968; Patent # 3, 520,441
Box 1		Patents 1971-1972
			Self-Cooking Disposable Food Packages, Milton S. Cohen, inventor; Batelle Development Corporation; November 9, 1971; Patent # 3,619,214 Machine for Sealing Containers with Covers Molded from Synthetic Plastic Sheet, Horst Lowenthal, inventor; Schweizerische Industrie-Gesellschaft; November 9, 1971; Patent # 3, 618,293 Apparatus for Forming Closures, Martin M. Sternau, inventor; W.R. Grace & Co.; November 23, 1971; Patent # 3, 621,637 Continuous Motion Container Molding Machine, Bryant Edwards, inventor; Illinois Tool Works, Inc.; September 20, 1971; Patent # 3,605,192 Vented Package, Robert F. Wescott, inventor; International Paper Company; October 19, 1971; Patent # 3,613,938 Process for Pre-Expanding Polymer Beads, Richard H. Immel, inventor; Sinclair-Koppers Company; May 4, 1971; Patent # 3,577,360 Method for Extruding Laminates, Douglas S. Chisholm, inventor; The Dow Chemical Company; January 19, 1971; Patent # 3,557,265 Food Package, Daniel Bernhardt, inventor; April 20, 1971; Patent # 3,575,337 Skin-Coated Article Formed of Foam Thermoplastic Material, Thomas W. Winstead, inventor; October 5, 1971; Patent # 3,610,509 Forming unit for use with apparatus for forming and cutting three-dimensional plastic articles, Thomas W. Winstead, inventor; July 27, 1971; Patent # 3,594,868 Cutting mechanism for use with apparatus for forming and cutting three-dimensional plastic articles, Thomas W. Winstead, inventor; July 7, 1970; Patent # 3,518,912 Stacking and packaging unit for use with machine for continuously thermoforming plastic trays or the like, Thomas W. Winstead, inventor; June 22, 1971; Patent # 3,585,778 Apparatus for Sealing Thin Walled Containers, Thomas Norman Gaunt and Edward Dodsworth, inventors; Plastona (John Waddington) Limited; February 29, 1972; Patent # 3,645,825 Non-Toxic Stabilized Polyvinyl Chloride Products and Stabilizer Compositions, Carl Robert Gloskey, inventor; M&T Chemicals, Inc.; February 8, 1972; Patent # 3,640,947 Plasticized Polyvinyl Chloride Film, Donatas Tijunlis and Edward A. Shriner, inventors; Union Carbide Corporation; February 1, 1972; Patent # 3,639,318 Pellucid Halogen-Containing Resin Compositions, Kenneth C. Bergman and Thomas C. Jennings, inventors; Synthetic Products Company; February 1, 1972; Patent # 3,639,319 Reentrant Forming Apparatus, Fred P. Brown and Howard H. Rohdin, inventors; Packaging Industries, Inc.; February 8, 1972; Patent # 3,640,668 Folding Plastic Tray, Harford G. Goings, inventor; February 1, 1972; Patent # 3,638,849 Liquid Containers, Uno Wingardh, inventor; Sprinter Pack AB; May 30, 1972; Patent # 3,666,088 Cup, George A. Cheladze, inventor; Carthage Cup Company; May 30, 1972; Patent # Des. 233,704 Cup, George A. Cheladze, inventor; Carthage Cup Company; May 30, 1972; Patent # Des. 233,703 Stackable Insert Container for Axially Spaced Engaging Surfaces, Herbert J. Wanderer, inventor; Illinois Tool Works, Inc.; June 27, 1972; Patent # Re. 27,409 Apparatus for Extruding a Skin-Covered, Foamed Thermoplastic; Thomas W. Winstead, inventor; August 19, 1969; Patent # 3,461,496 Continuous Method of Extruding and Thermoforming Skin-Covered Foamed Thermoplastic Articles, Thomas W. Winstead, inventor; July 11, 1972; Patent # 3,676,537 Continuous Apparatus for Extruding and Forming Thermoplastic Articles, Thomas W. Winstead, inventor; January 4, 1972, Patent # 3,632,266
Box 1		Patents 1974
			Continuous Method of Manufacturing Articles from Foamed Thermoplastic Material; Thomas W. Winstead, inventor; January 29, 1974; Patent # 3,789,095 Method of Molding a Latch Opening, Kurt G. Dahlberg, inventor; Thermo-Trim, Inc.; October 29, 1974; Patent # 3,845,187 A Tool for Sealing a Container Such as a Cup, Bottle, Jar or the Like, Folke Evert Granseus and Ingvar Helmer Borgstrom, inventors; Aktiebolaget Platmanufaktur; November 26, 1974; Patent #3,849,971 Method of Forming Foamed Plastic Sheets, Thomas W. Winstead, inventor; August 20, 1974; Patent # 3,830,900 Extrusion Apparatus, Thomas W. Winstead, inventor; June 11, 1968; Patent # 3,387,328 Continuous Process for Extruding Cellular Thermoplastics, Thomas W. Winstead, inventor; August 20, 1974; Patent # 3,830,901
Box 1		Patents 1975-1976
			Apparatus for Molding Plastic Covers for Containers, Heinz Ruch, inventor; Albert Orbist &Co.; October 28, 1975; Patent # 3,915,613 Container for Cooking Food Therein, William P. Kane, inventor; E.I. du Pont de Nemours and Company; February 11, 1975; Patent # 3,865,302 Vented Cavity Mold and Method of Thermoforming Using Such Mold; David Harris Berkebile, inventor; Patent # 1,428,328 Integrity Indicator, Donald F. Halpern, inventor; Bio-Medical Sciences, Inc.; August 12, 1975; Patent # 3,899,295 Thermoplastic Resin Composition Having High Transparency and High Impact Strength, Fumio Ide, Kazuo Kishida, Toshio Sakurai and Syoichi Kawakami, inventors; Mitsubishi Rayon Co., Ltd. and Nitto Chemical Industry Co., Ltd.; November 11, 1975; Patent # 3,919,157 Simplified Process and Apparatus for the Production of Cups from a Foamed Thermoplastic Sheet, Jingo Seto, inventor; November 11, 1975; Patent # 3,919,368 Lid for a Packaging Container or the Like, Paul Davis, inventor; November 18, 1975; Patent # Des. 237,689 Cups for Holding Ingredients for Drinks, Robert H. Day, inventor; Illinois Tool Works, Inc.; December 23, 1975; Patent # 3,927,766 Method for Forming Noncircular Thermoplastic Cupped Articles; Gerrit van der Gaag and Thomas C. Tomey; Shell Oil Company; December 30, 1975; Patent # 3,929,953 Heat Sealing Apparatus, Fred Ascoli and Robert F. Hermann, inventors; Standard Container Company; February 10, 1976; Patent # 3,937,645 Closuring Containers, Emile Raymond Vermeulen, inventor; Sidaplax N.V.; December 21, 1971; Patent # 3,628,301 Shrink Film Capping Machine; Ernest Willvonseder; January 8, 1974; Patent # 3,783,582 Method and Apparatus for Uniting Articles; Bryant Edwards, inventor; Illinois Tool Works, Inc.; February 6, 1968; Patent # 3,367,808 Semi-Automatic Capping Machine; William J. Burke, inventor; Roll-O-Sheets, Inc.; February 8, 2012; Patent # 3,233,386 Apparatus for Producing Packaged Product, Robert G. Carpenter, Richard G. King and Thomas W. Greaves, inventors; W.R. Grace & Co.; May 15, 1962; Patent # 3,034,271 Apparatus for Feeding Heat Shrinkable Plastic Film and Capping Containers Therewith, Thomas E. Marion and Godfrey M. Priborksy, inventors; Maryland Cup Corporation; November 21, 1972; Patent # 3,703,066 Thermoplastic Sealing Apparatus and Method, David R. Zelnick, inventor; Koehler-Dayton, Inc.; June 10, 1969; Patent # 3,449,183 Method and Apparatus for Heat Shrink Capping Containers, William T. Doty, inventor; Maryland Cup Corporation; November 4, 1975; Patent # 3,916,602 Apparatus for Making a Closure on a Container, Martin M. Sternau, inventor; W.R. Grace & Co.; October 31, 1972; Patent # 3,701,234 Method for Blow Molding Foamed Walled Plastic Open Mouthed Containers, Granville J. Hahn, inventor; Cosden Oil & Chemical Company; February 17, 1976; Patent # 3,939,236 Scrapless Forming of Plastic Articles, Ralph E. Ayres, Kenneth J. Cleereman and Walter E. Schrenk, inventors; The Dow Chemical Company; March 30, 1976; Patent # 3,947,204 Packaging Container for a Razor or the Like, Carl H. Floren, inventor; The Gillette Company; May 18, 1976; Patent # Des. 239,920 Lid, Clarence T. Brewer, inventor; Solo Cup Company; May 4, 1976; Patent # 3,583,596 Close Nesting, Tamperproof Container Closure, Stephen W. Amberg and Rodney E. Ludder, inventors; Owens-Illinois, Inc.; May 11, 1976; Patent # 3,955,699 Sealed Container, James B. Swett, inventor; Dart Industries, Inc.; May 18, 1976; Patent # 3,957,097 Container Closure, Elmer E. Kress, inventor; July 7, 1976; Patent # 240,595 Covered Container for Serving Food with Combination Ventilation and Finger Holes, Nicholas D. Commisso, inventor; Mobil Oil Corporation; May 11, 1976; Patent # 3,955,710 Food Packaging Tray, Thomas H. White, inventor; Rubbermaid Industrial Products Corporation; July 27, 1976; Patent # 240,714 Tamper Indicator Tape, Lew W. Cornell, inventor; Minnesota Mining and Manufacturing Company; February 3, 1976; Patent # 3,935,960 Apparatus for Folding Container Rims, Gaylord William Brown, inventor; October 21, 1975; Patent # 3,914,102 Foam Package for Breakfast Foods, Donald K. Jewell, inventor; Restaurant Technology, Inc.; July 13, 1976; Patent # 3,968,921 Straw Dispenser, Stanley W. Peva, Jr., inventor; Austin-Gordon Design, Inc.; July 13, 1976; Patent # 3,968,901 Foam Bead Bottom Plastic Cup and Method of Making Same, Clifford Clayton Goehring, inventor; American Can Company; January 6, 1976; Patent # 3,931,378 Method of Making Nestable Foamed Plastic Cups, Ilie Mila Belivakici, Clifford Clayton Goehring, James Allan Wachtel, William Joseph Lahm and Carl Richard Storms, inventors; American Can Company; January 6, 1976; Patent # 3,931,380 Insulative Packaging Device, Wayne L. Congleton, inventor; Dolco Packaging Corporation; January 20, 1976; 3,933,295 Plastic Container, Algis Steven Andrulionis, inventor; Polysar Plastics, Inc.; January 27, 1976; Patent # 3,934,749
Box 1		Patents 1977-1978
			Pumped Injection of Gas for Making Foamed Plastic, James W. Hendry, inventor; Ex-Cell-O Corporation; August 23, 1977; Patent # 4,043,715 Polyethylene Terephthalate/Terpolymer Blends, Film Sheets, and Articles Made Using Such Blends, and Method of Making Trays Using Such Sheets, Frederick W. Gander, Ernard F, Hoegger, William P. Kane, inventors; E.I. Du Pont de Nemours and Company; April 26, 1977; Patent # 4,020,126 Apparatus for Making Hollow Molded Products, Arthur J. Griner and Daniel Anthony Koppa, inventors; Nabisco, Inc.; July 26, 1977; Patent # 4,038,007 Apparatus for Making Hollow Molded Products, Arthur J. Griner and Daniel Anthonu Koppa, inventors; Nabisco, Inc.; July 26, 1977; Patent # 4,038,016 Sheet Support Apparatus, Gaylord William Brown, inventor; Sweetheart Plastics, Inc.; July 18, 1978; Patent # 4,101,252 Laminated Material of Thermoplastic Synthetic Material, Process of Making and Container Closed Therewith, Barbara Geppert and Kurt Huth, inventors; Bellaplast, GmbH; July 18, 1978; Patent # 4,101,047
Box 2		Patents 1977-1978
			Nestable Containers, Daniel R. Kalata and Henry Huston, inventors; Owens-Illinois, Inc.; July 26, 1977; Patent # Re. 29, 320 Apparatus for Pre-Expanding and Molding Expandable Thermoplastic Polymer Particles, Stuart B. Smith, inventor; Foster Grant Co., Inc.; November 29, 1977; Patent # 4,060,354 Apparatus for the Manufacture of Thin-Walled Shaped Articles of Thermoplastic Material, Alfons W. Thiel and Hans Hell, inventors; Bellaplast GmbH; August 8, 1978; Patent # 4,105,386 Method and Indicator for Detecting the Loss of Integrity of a Package, Donald F. Halpern, inventor; Bio-Medical Sciences Inc.; July 4, 1978; Patent # 4,098,577 Sterile Package, Syed M.H. Zaidi, inventor; Paper Manufacturers Company; April 15, 1979; Patent # 4,197,947 Apparatus for Heating a Food Item, Albert E. Colato and Jerome L. Formo, inventors; Anchor Hocking Corporation; August 1, 1978; Patent # 4,103,736 The Winstead Patents: Analysis of Content and Coverage, Terrell C. Birch; 19 page typescript summary; July 18, 1977
Box 2		Patents 1979-1987
			Tamper-Proof Closure and Method of Making Same, Gaylord Brown, inventor; Sweetheart Plastic, Inc.; June 24, 1980; Patent # 4,209,101 Method and Apparatus for Thermoforming Thermoplastic Foam Articles, Donald W. Myers and Samantha L. Vivlamore, inventors; Mobil Oil Corporation; December 16, 1980; Patent # 4,239,727 Method for the Continuous Formation of Biaxially Oriented Thermoplastic Materials and Forming Articles Therefrom by Intermittent Forming Means Interfaced Therewith, Thomas W. Winstead, inventor; Maryland Cup Corporation; December 22, 1981; Patent # 4,307,049 Tilt Indicator for Shipping Containers, Ralph R. Mendelson, inventor; July 20, 1982; Patent # 4,340,008 Non-Spill Drink-Through Lid, William A. Dart and Kenneth B. Dart, inventors; Dart Container Corporation; November 1, 1983; Patent # 4,412,629 Container Closure Alignment Device, Robert H.C. M. Daenen, inventor; Dart Industries, Inc.; November 1, 1983; Patent # 4,412,630 Spill Resistant Disposable Paper Drinking Cup, William C. La Fever, inventor; November 1, 1983; Patent # 4,412,644 Method for Forming a Cup-Like Container, Carl Arndt and Martin Mueller, inventors; Owens-Illinois Inc.; May 31, 1983; Patent # 4,386,044 Thermoformable Polymer Blend Composition, Michael R. Grancio, David F. Stewart and John F. Cass, inventors; Sweetheart Plastics, Inc.; May 31, 1983; Patent # 4,386,188 Thermoformable Polymer Blend Composition Comprising Styrene Polymer, Olefin Polymer and Block Copolymer, Michael C. Grancio, David F. Stewart and John F. Cass, inventors; Sweetheart Plastics, Inc.; May 31, 1983; Patent # 4,386,187 Apparatus for the Continuous Formation of Biaxially Oriented Thermoplastic Materials and Forming Articles Therefrom by Intermittent Forming Means Interfaced Therewith, Thomas W. Winstead, inventor; Maryland Cup Coproration; May 24, 1983; Patent # 4,348,836 Tuck and Nest Method and Apparatus, Gaylord Brown, inventor; Sweetheart Plastic Inc.; May 24, 1983; Patent # 4,384,439 Edible Food Containers and the Method of Coating Said Containers, Irving H. Rubenstein and Herbert M. Bank, inventors; Maryland Cup Corporation; June 28, 1983; Patent # 4,390,553 Methods and Apparatus for Curling Lips about the Open Mouths of Stacked Thermoplastic Containers, Albert W. Arends and Ronald E. Henke, inventors; Leesona Corporation; July 5,1983; Patent # 4,391,768 Thermoformable Polymer Blend Composition Comprising Styrene Polymer, Olefin Polymer and Block Copolymer, Michael R. Grancio, David F. Stewart and John F. Cass, inventors; Sweetheart Plastics, Inc.; May 31, 1983; Patent # 4,386,187 Thermoformable Polymer Blend Composition, Michael R. Grancio; David F. Stewart and John F. Cass, inventors; Sweetheart Plastics, Inc.; May 31, 1983; Patent # 4,386,188 Apparatus for the Continuous Formation of Biaxially Oriented Thermoplastic Materials, Thomas W. Winstead, inventor; Maryland Cup Corporation; November 8, 1983; Patent # 4,413,964 Apparatus for the Continuous Formation of Biaxially Oriented Thermoplastic Materials and Forming Articles Therefrom by Intermittent Formings Means Interfaced Therewith, Thomas W. Winstead, inventor; Maryland Cup Corporation; May 24, 1983; Patent # 4,384,836 Apparatus for the Continuous Formation of Biaxially Oriented Thermoplastic Materials and Forming Articles Therefrom by Intermittent Forming Means Interfaced Therewith, Thomas W. Winstead, inventor; Maryland Cup Corporation; November 22, 1983; Patent # 4,416,607 Tamper Evident Closures and Packages, Mortimer S. Thompson, inventor; Tri-Tech Systems International Inc.; December 25, 1984; Patent # 4,489,841 Container Tamper Detection Device, Joseph A. Resnick, inventor; January 10, 1984; Patent # 4,424,911 Receptacle Tampering Indicator and Method Therefor, Randall A. Newkirk, inventor; February 21, 1984; Patent # 4,432,462 Tamper Resistant Security Package, Stewart A. Darling, Tadeusz Kostanecki and George Soos, inventors; DRG Inc.; July 3, 1984; Patent # 4,457,430 Tamper Evident Container and Method for Making the Same, Peter K. Laucis and Robert Terry, inventors; Nordson Corporation; November 6, 1984; Patent # 4,480,749 Container Closure Integrity System, Donald R. Wloszczyna, inventor; Denerik Creativity, Inc.; March 5, 1985; Patent # 4,502,605 Tamper-Indicating Device and Method, Robert C. Weiner, inventor; March 19, 1985; Patent # 4,505,399 Container Seal with Tamper Indicator, Howard J. Klein and Garbor L. Szekeres, inventors; April 16, 1985; Patent # 4,511,052 Oxygen Indicator for Packaging, Daniel Perlman and Henry Linschitz, inventors; July 2, 1985; Patent # 4,526,752 Tamper-Evident Closure Apparatus, Jeffrey Sandhaus, inventor; May 27, 1986; Patent # 4,591,062 Pre-Expander for Expandable Polymer Beads, Ian C. Train, inventor; June 30, 1987; Patent # 4,676,739 Refrigerant Cooled Plastic Molding, Method and Apparatus, Robert C. Ritchie, Henry J. McKone and Richard Stamm, inventors; Dart Industries, Inc.; September 1, 1987; Patent # 4,690,789 Method of Producing a Skin-Covered Foamed Thermoplastic, Thomas W. Winstead, inventor; June 13, 1972; Patent # 3,670,059
Box 2		Winstead patents 1977, 1989
			The Winstead Patents: Analysis of Content and Coverage, Terrell C. Birch; 19 page typescript summary; July 18, 1977 Special Report; Winstead Patents: Continuous Thermoforming and Thermoplastic Foams; Michael Gigliotti & Associates; March 23, 1989

	Publications
Box 2		Articles and papers 1946, 1959
			Electrical Insulating Materials…A Symposium: Plastic compositions for dielectric applications, W.C. Goggin and R.F. Boyer, authors; The Dow Electrical Company; Reprinted from Industrial and Engineering Chemistry, Vol. 38, Page 1090, November, 1946. Ethyl Cellulose Proves Self on Difficult Applications; Philip A. Belk, author; Hercules Powder Co. Poly-Fibre-a new approach to molding; W.C. Goggin and R.R. Bradshaw, author Styrene Plastics, Henno Keskkula, Alan E. Platt and Raymond F. Boyer, authors; The Dow Chemical Company; Reprinted from Kirk-Othmer: Encyclopedia of Chemical Technology, Volume 19, 2nd Edition Technical Papers, Plastics in Packaging, Lewis A. Bernhard, editor; Society of Plastics Engineers, Inc.; Regional Technical Conference; November 19, 1959
Box 2		Reports 1951, 1964, 1966,
			Extrusion and Thermoforming Technical Data Prepared for Mr. J.N. McDonald, Sweetheart Plastics; January 19, 1966 The Dow Chemical Company Report: The Extrusion of Polystyrene, I, Report No. PB-11; C.E. Beyer and F.E. Towsley, authors; The Dow Chemical Company; August 17, 1951; Plastics Basic Research Laboratory Report to Mr. J.N. McDonald Sweetheart Plastics, Inc., Analysis of Patents: Sheet Extrusion and Thermoforming Technology; From Edison Technical Services, Inc., Spring 1964

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