Patents by Inventor John Tarter

John Tarter 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).

  • Midwheel drive wheelchair with independent front and rear suspension
    Publication number: 20070039766
    Abstract: A wheelchair includes a frame, and a front pivot arm pivotally mounted to the frame at a front pivot point, the front pivot arm having a caster for supporting the frame. A rear pivot arm is pivotally mounted to the frame at a rear pivot point, the rear pivot arm having a caster for supporting the frame. A ground engaging mid-wheel drive wheel is connected to the frame. A linkage connects the front and rear pivot arms to each other in a manner such that an upward or downward rotation of one of the pivot arms about its pivot point causes rotation of the other pivot arm about its pivot point in an opposite rotational direction.
    Type: Application
    Filed: August 16, 2006
    Publication date: February 22, 2007
    Inventors: Mark Jackson, John Tarter, Mark Greig, Rex Stevens, James Koerlin, Samuel Traxinger, Daniel Zhou, Allen Killebrew