Patents by Inventor Terrance P. Cullinan

Terrance P. Cullinan 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).

  • Anti-theft "O" tool and screw set for license plates
    Patent number: 5870934
    Abstract: A theft prevention system is disclosed wherein modified screw heads can be removed by only a specially configured tool. The screw heads have a central polygon groove with at least two grooves projecting outward from the polygon. The screw removal tool is adapted to mate with the polygon groove and the projecting grooves to accomplish removal and tightening of the screw.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: February 16, 1999
    Inventor: Terrance P. Cullinan