Patents by Inventor Robert M. Gamble

Robert M. Gamble 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: 4951945
    Abstract: The golf tee of the invention is formed from high impact plastic. It includes a sword shaped shaft and an enlarged triangular head integral therewith. The shaft has gradually tapering large, flat side surfaces large enough for markings thereon and forming a sharp front edge. The triangular shaped head includes a front apex and a slightly concaved area for supporting a golf ball. The upper rear of the shaft joins with the rear side of the triangular head to form a solid impact area.
    Type: Grant
    Filed: August 14, 1989
    Date of Patent: August 28, 1990
    Inventor: Robert M. Gamble