Patents by Inventor Chadwick B. Thompson

Chadwick B. Thompson 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: 4484780
    Abstract: The invention relates to a structure that may very simply be fitted to and removed from a wide variety of patterns of wheelchair. The structure supports a leg rest that may be a simple horizontal foot rest for a person sitting in a conventional position, be tilted so as to lift the toes in relation to the heels, may support a rigid leg, or be tilted to the vertical so as not to obstruct a person moving from sitting in the wheelchair to standing on the ground.The foot rest projects forward a lesser distance than does the conventional footrest.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: November 27, 1984
    Assignee: W. A. Thompson & Company Limited
    Inventor: Chadwick B. Thompson