Patents by Inventor Sherwin R. Stewart

Sherwin R. Stewart 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: 3965585
    Abstract: A shoe attachment device is disclosed herein for use in a variety of sporting activities which comprises an elongated platform or foot support member having a flat bottom surface and an upwardly extending continuous sidewall carried in parallel along the opposite side edges and along the front edge. A stiffening rod is incorporated into the front wall for reinforcement purposes. Detachable runners are carried on the platform and downwardly project from the underside thereof for ground engaging purposes. The upper surface of the platform carries a shoe or boot attachment having an adjustable heel securement and an adjustable toe securement whereby the users foot is firmly secured on the platform.
    Type: Grant
    Filed: August 7, 1975
    Date of Patent: June 29, 1976
    Inventor: Sherwin R. Stewart