Patents by Inventor Austin T. Carpenter

Austin T. Carpenter 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).

  • Heat-softenable polyesterurethane adhesive
    Patent number: 3951919
    Abstract: Heat softenable adhesive, particularly in film form, and based on polyurethane from reaction of a diisocyanate and a polyester glycol including terephthalic acid and hexane diol, 1,6 units, especially useful in a shoe making method in which a film of the adhesive is disposed between the attaching surface of a shoe upper and edge portions of a mold and hot molten plastic is injected into the mold to melt and activate the adhesive and to form a tread member strongly adhered to the shoe bottom with the aid of the adhesive.
    Type: Grant
    Filed: August 23, 1974
    Date of Patent: April 20, 1976
    Assignee: USM Corporation
    Inventors: Raymond N. F. Pinfold, Austin T. Carpenter, John R. Hall, Alan Hardy, Jogindar Johl