Patents by Inventor Joseph W. Driver

Joseph W. Driver 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).

  • Skate sharpening device
    Patent number: 5009039
    Abstract: An automatic skate sharpener comprises a skate sharpening mechanism inside a cover. A skate loading device is pivotally mounted in an opening in the protective cover, so that it can be pivoted between a loading position, in which the skate is on the outside of the protective cover, and a starting position for sharpening of a skate, in which the skate is on the inside of the protective cover. The skate loading device comprises a gripping device for releasably gripping at least one skate to be sharpened, first obturation device which substantially closes the opening in the skate loading position, and second obturation device which substantially closes the opening in the starting position.
    Type: Grant
    Filed: March 16, 1990
    Date of Patent: April 23, 1991
    Assignee: Svenska Skatebox AB
    Inventors: Kjell Lager, Anders Tarnstrom, Olov stlund, Joseph W. Driver