Patents by Inventor William R. Grundy

William R. Grundy 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).

  • Improvements in or relating to protection bars for vehicles
    Patent number: 4171838
    Abstract: A protective framework or bar for a motor vehicle, the bar comprising spaced horizontal polycarbonate tubes having free unsupported ends, the tubes being joined and united to a pair of vertical steel bars adapted to be joined to the motor vehicle, the bars being joined by joining blocks adapted to be adjustably positioned along each of the bars.
    Type: Grant
    Filed: January 19, 1978
    Date of Patent: October 23, 1979
    Inventor: William R. Grundy