Patents by Inventor Thomas E. Kidwell

Thomas E. Kidwell 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).

  • Vehicular traction wheel
    Patent number: 5029945
    Abstract: A traction device including a stationary plate mounted to a housing of an associated drive wheel of a vehicle, with a rotary member mounted rotatably relative to the stationary plate, with spike members mounted relative to the rotary portion extensible upon actuation of an arcuate actuator plate extensible to effect contact, with contact head portions of each spike to effect radial projection of each spike. A medially positioned guide plate includes right and left cam surfaces to effect positioning of each contact head of each spike relative to the actuator plate.
    Type: Grant
    Filed: August 8, 1990
    Date of Patent: July 9, 1991
    Inventors: Thomas E. Kidwell, Patricia A. Kidwell