Patents by Inventor William Dearth

William Dearth 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).

  • Braking system for a wheelchair
    Patent number: 6443268
    Abstract: The present invention relates to a braking system for a wheelchair through which a wheel chair occupant can apply the brakes to both wheels with one handle member, yet the braking system does not interfere with the foldability of the wheelchair. The present invention also relates to methods of modifying existing wheelchairs to provide such a braking system.
    Type: Grant
    Filed: May 4, 2001
    Date of Patent: September 3, 2002
    Inventors: William Dearth, Jerry Phillips