Patents by Inventor Robert A. Zock, Jr.

Robert A. Zock, Jr. 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: 4910883
    Abstract: A crampon removably attached to a shoe having a plurality of teeth oriented in an angled, noncolinear fashion, such as on the faces of a polygon, on both a heel and toe portion of the crampon. The toe portion of the crampon further includes a plurality of slots which receive a plurality of pick elements selected from a variety of interchangeable pick elements. The variety of pick elements includes a double flat pick, a single reverse angle pick, a flanker pick, a tooth claw pick and a novel tubular pick. The crampon according to the present invention provides enhanced traction by inhibiting a skating action resulting from the substantially linearly disposed teeth of prior crampon designs, while providing a maximum flexibility by interchangeably receiving a variety of pick elements.
    Type: Grant
    Filed: August 19, 1988
    Date of Patent: March 27, 1990
    Inventor: Robert A. Zock, Jr.