Patents by Inventor Dave Simpson

Dave Simpson 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).

  • Patent number: 5575029
    Abstract: A combination hand tool comprising a first and second pivoting member rotatably joined by a pivot pin. The single combination hand tool comprises means for performing multiple functions. The combination hand tool comprises a hammer head and claw, a first set of plier gripper jaws, a wire stripper and a pipe reamer.
    Type: Grant
    Filed: May 17, 1995
    Date of Patent: November 19, 1996
    Inventor: Dave Simpson