Patents by Inventor Don L Mathis

Don L Mathis 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).

  • Ratchet tap wrench
    Patent number: D433894
    Type: Grant
    Filed: December 17, 1998
    Date of Patent: November 21, 2000
    Inventor: Don L Mathis