Patents by Inventor Quentin E. Larson

Quentin E. Larson 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 with enhanced toilet accessibility
    Patent number: 7793364
    Abstract: A wheelchair with enhanced toilet access has a frame including a pair of laterally-separated side frame portions, with primary wheels as well as at least one secondary wheel rotatably mounted on the frame. A seat extends between the side frame portions, and includes a stationary portion and a movable portion. The stationary portion has an opening and the movable portion is positionable in the opening. The movable portion is pivotable between a normal position that closes the opening in the stationary portion and a dropped position that opens the opening in the stationary portion. A seat moving mechanism is configured to move the movable portion of the seat with respect to the stationary portion to thereby move the movable portion between the normal and dropped positions.
    Type: Grant
    Filed: November 23, 2005
    Date of Patent: September 14, 2010
    Inventors: Gregory Johnson, Quentin E. Larson