Patents by Inventor Gary A. Crabtree

Gary A. Crabtree 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).

  • Game ball target
    Patent number: 5257808
    Abstract: A golf practice device has a flexible weighted ring and a sloped shoulder. A bottom surface includes an array of gripping projections generally encircling the ball receiving opening defined by the ring. The game target is placed upon a natural ground surface and uses the natural ground surface as a target to better simulate actual playing conditions.
    Type: Grant
    Filed: July 1, 1992
    Date of Patent: November 2, 1993
    Inventors: Jay Mueller, Gary A. Crabtree, Roger K. Crabtree