Patents by Inventor Gary D. Mann

Gary D. Mann 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).

  • Umpire's game status keeper
    Patent number: D419460
    Type: Grant
    Filed: March 15, 1999
    Date of Patent: January 25, 2000
    Inventor: Gary D. Mann