Patents by Inventor Carl Thorson

Carl Thorson 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).

  • Tandem exercise device for a mobility-impaired person
    Patent number: 5951442
    Abstract: An exercise device and method is provided for exercising the legs of a mobility-impaired person. The device includes a base with a crank assembly carried on the base. The crank assembly includes a first sprocket assembly having a pair of foot pedals and a second sprocket assembly having at least one leg-support assembly. The leg-support assembly is adapted to support a leg of the mobility-impaired person. The first sprocket assembly is connected to the second sprocket assembly such that rotation of the first sprocket assembly causes rotation of the second sprocket assembly whereby the leg of the mobility-impaired person attached to the at least one leg-support assembly is exercised.
    Type: Grant
    Filed: May 28, 1997
    Date of Patent: September 14, 1999
    Inventors: Richard D. Adams, Carl Thorson