Patents by Inventor William Tabroff

William Tabroff 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).

  • Patent number: 3977033
    Abstract: A heat conductive band movably mounted on a machine for preshaping shoe parts. Each band is comprised of silicone rubber compounds with a dispersion of metal particles therein. Metal plates are bonded to external surfaces of the band with heating elements attached thereto. The metal particles in the band aid in heat conduction through the bands, and the silicone rubber bands permit efficient heat transfer and extended life for shoe molding apparatus.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: August 31, 1976
    Assignee: USM Corporation
    Inventor: William Tabroff