Patents by Inventor William R. Starks

William R. Starks 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).

  • Hinge-lock security system
    Patent number: 5553351
    Abstract: A hinge-lock security system for preventing relative motion between a door and a door frame.
    Type: Grant
    Filed: February 13, 1995
    Date of Patent: September 10, 1996
    Inventor: William R. Starks