Patents by Inventor William D. Mayfield

William D. Mayfield has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Multilayer thermoplastic packaging film
    Patent number: 5885699
    Abstract: A multilayer film characterized by having excellent oxygen permeability and thermoformable properties comprising a sealant layer and a heat resistant layer is disclosed. The sealant layer contains an ethylene based polymer or copolymer. The heat resistant layer has a melting point greater than that of the polymeric composition of the sealing layer. Internal layers also can be provided.
    Type: Grant
    Filed: January 28, 1997
    Date of Patent: March 23, 1999
    Assignee: Cryovac, Inc.
    Inventors: Richard K. Watson, William D. Mayfield, Paul J. Satterwhite
  • Vacuum skin package for shingled food slices
    Patent number: 5846582
    Abstract: A package for shingled food slices (e.g., sliced bacon), including:a. a substantially flat support member supporting thereon a group of shingled food slices;b. a flexible film enclosing the food slices on the support member, the film being sealed to the support member outside the periphery of the food slices and substantially conforming to the shape of the food slices; andc. one or more printed images on at least one of the support member and the flexible film.
    Type: Grant
    Filed: September 21, 1995
    Date of Patent: December 8, 1998
    Assignee: Cryovac, Inc.
    Inventors: William D. Mayfield, Margaret Ann Hague