Patents by Inventor Virgil Wright

Virgil Wright 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: 3937295
    Abstract: An improved brake control apparatus automatically engaging the park brakes of a vehicle when the vehicle ignition switch is turned to the off position and automatically disengaging the park brakes of a vehicle when the vehicle ignition switch is turned to the on position. The brake control apparatus is constructed to be utilized in cooperation with an automobile park brakes and with the park brakes of a trailer or the like, for example, the brake control apparatus being installable as an accessory item or as original equipment.
    Type: Grant
    Filed: March 11, 1974
    Date of Patent: February 10, 1976
    Inventor: Virgil Wright