Patents by Inventor Robert Mc. Gamble

Robert Mc. 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).

  • Golf tee
    Patent number: D308086
    Type: Grant
    Filed: June 8, 1987
    Date of Patent: May 22, 1990
    Inventor: Robert Mc. Gamble