Patents by Inventor Jim Roger Salmon

Jim Roger Salmon 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).

  • Self-propelled wheelchair
    Patent number: 6092822
    Abstract: A wheelchair includes a support frame and wheels and casters rotatably cocted to the support frame. A rotatable steering member is slidably connected to a caster swivel support frame for steering the wheelchair. The wheelchair also includes a collapsible seat frame as well as a pedal operated transmission to drive the wheels of the wheelchair. A single brake lever brings two brake elements into engagement with the wheels to lock the wheelchair against rolling movement.
    Type: Grant
    Filed: November 10, 1998
    Date of Patent: July 25, 2000
    Assignee: Jim Roger Salmon and Chris Phillip Berryhill, A California Partnership
    Inventor: Jim Roger Salmon