Patents by Inventor Frank H. Gebhardt

Frank H. Gebhardt 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).

  • Golf putter head
    Patent number: D313057
    Type: Grant
    Filed: February 29, 1988
    Date of Patent: December 18, 1990
    Inventor: Frank H. Gebhardt
  • Golf putter head
    Patent number: D331611
    Type: Grant
    Filed: October 17, 1990
    Date of Patent: December 8, 1992
    Inventor: Frank H. Gebhardt