Patents by Inventor William J. Beckingham

William J. Beckingham 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).

  • Edge sharpener for skis
    Patent number: 5136816
    Abstract: According to the present invention there is provided an apparatus for sharpening an elongate edge, especially the blade edge of a ski. The apparatus comprises an abrasive disc set in a housing, a motor unit for rotating the disc about its axis, a guide surface parallel to the plane of the disc, guide means defining a guide plane substantially at right angles to the guide surface, and means to bias the disc axially to a position just proud of the guide surface.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: August 11, 1992
    Inventor: William J. Beckingham