Patents by Inventor Perry S. Haddock

Perry S. Haddock 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).

  • Racquet-mounted scoring device
    Patent number: 5048452
    Abstract: A scoring device for use in racquet games. A track member is mounted to a base member by an attachment means which allows relative movement between the base and track members. Scoring indicators move along the track member. An adhesive label is attached to the base member to allow its attachment to a curved surface and, more particularly, to the curved surface such as that of a throat of a racquet.
    Type: Grant
    Filed: January 23, 1990
    Date of Patent: September 17, 1991
    Inventors: Perry S. Haddock, Wayne M. Fraser