Patents by Inventor Emil Edholm

Emil Edholm 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).

  • Collapsible wheel-chair undercarriage
    Patent number: 4230339
    Abstract: A collapsible wheelchair undercarriage usable as a vehicle seat includes a wheeled chassis, a seat attachment, a hauling strap for suspending the undercarriage, apparatus for movably supporting the seat attachment on the chassis, and apparatus for lifting and lowering the chassis relative to the seat attachment.
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: October 28, 1980
    Inventor: Emil Edholm