Patents by Inventor Powlan Roy Y.

Powlan Roy Y. 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).

  • Leg traction device
    Patent number: 4621625
    Abstract: The disclosure relates to a leg traction system having structure for supporting the leg and applying axial force to the leg. A rigid vector bar is positioned above the knee and lower leg, a pulley system including a cable and weight is connected at one end to the leg supporting structure and at the other end to the vector bar.
    Type: Grant
    Filed: December 31, 1984
    Date of Patent: November 11, 1986
    Inventor: Powlan Roy Y.