Patents by Inventor Robert C. Carr, JR.

Robert C. Carr, JR. 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).

  • Publication number: 20100025955
    Abstract: A foldable stair assembly for a vehicle which is carried by a trailer hitch receiver in the vehicle and wherein the stairs include independently retractable stair riser extender portions which serve to contact the ground to stabilize the stairs against the ground, and wherein the retractable stair portions can adjust for uneven or sloping ground. A piston or other assistance member aids in raising and lowering the stairs.
    Type: Application
    Filed: July 30, 2009
    Publication date: February 4, 2010
    Inventor: Robert C. Carr, JR.