Patents by Inventor Bob Tanner

Bob Tanner 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).

  • Vented cat litter box
    Patent number: D377549
    Type: Grant
    Filed: December 26, 1995
    Date of Patent: January 21, 1997
    Inventors: Philip A. Long, Bob Tanner