Patents by Inventor Tru G. Wilhelm

Tru G. Wilhelm 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).

  • Apparatus to exert traction in traction therapy
    Patent number: 4365623
    Abstract: Therapeutic traction apparatus for exerting sequential changes in tension pull on a flexible line which is attachable to a traction harness. The apparatus is responsive to tension which exists in the line. A timer can be provided to establish pause and dwell times, and a programmed control can be provided to establish various tension levels and types of sequences.
    Type: Grant
    Filed: March 6, 1980
    Date of Patent: December 28, 1982
    Assignee: Tru-Eze Manufacturing Co.
    Inventors: Tru G. Wilhelm, Heinz C. Ross, Bradley T. Wilhelm