Patents by Inventor James Koelin

James Koelin 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
    Publication number: 20050236217
    Abstract: A powered wheelchair comprises three or more wheels for supporting the wheelchair relative to a supporting surface. The three or more wheels are adapted to be steered independently of one another to steer the wheelchair in virtually any direction. At least one of the wheels is adapted to be driven for propelling the wheelchair on the supporting surface.
    Type: Application
    Filed: April 27, 2005
    Publication date: October 27, 2005
    Inventors: James Koelin, Richard Runkles