Patents by Inventor Brian Watwood

Brian Watwood 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 drive mechanism
    Publication number: 20050167942
    Abstract: A wheelchair which shifts between forward and reverse by virtue of a roller mechanism which grabs in one direction and slips an opposite direction, thereby preventing binding. The shift mechanism is initiated by rotation of a shift paddle which is located on a extremity of a lever arm remote from the roller mechanism.
    Type: Application
    Filed: March 29, 2005
    Publication date: August 4, 2005
    Inventors: Brian Watwood, Duane DeJong, Errol Armstrong