Patents by Inventor William L. Klohn

William L. Klohn 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).

  • Wheelchair adapter wheel
    Patent number: 4641850
    Abstract: Thin wide metal bands encircle the propulsion wheels of a wheelchair to enable the chair to be operated on a beach or on other soft terrain. The somewhat flexible bands have separated ends which are drawn together and secured by an elastic connector web attached to one end portion of the band and carrying a connector strip having gripping fingers which engage in apertures provided in the other end portion of the band after the elastic connector web is stretched across a gap between the separated ends of the band. The band carries half-circle centering elements on its interior surface which engage over the tire of the wheelchair propulsion wheel.
    Type: Grant
    Filed: August 26, 1985
    Date of Patent: February 10, 1987
    Inventors: James S. Rice, William L. Klohn
  • Wheelchair for beach and water
    Patent number: D294811
    Type: Grant
    Filed: April 23, 1985
    Date of Patent: March 22, 1988
    Inventors: James S. Rice, William L. Klohn