Patents by Inventor Edgar T. Key

Edgar T. Key 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).

  • Plastic laminate, article and method of making same
    Patent number: 3941633
    Abstract: A plastic laminate and shaped article having a polyurethane film substrate, a fabric superstrate and an intermediate layer of polyurethane foam. The polyurethane foam layer is cast upon the polyurethane film to provide a substantially integral laminate. The fabric layer is also bonded to the foam layer, preferably prior to complete curing, permitting the use of unnapped fabrics.
    Type: Grant
    Filed: March 27, 1974
    Date of Patent: March 2, 1976
    Assignee: Seton Company
    Inventors: Tsu-Huai Wang, Edgar T. Key