Patents by Inventor Robert D. Barnhart

Robert D. Barnhart 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).

  • Patent number: 5799962
    Abstract: A vehicle attachment including an elongated platform pivotally attached along one side of a vehicle for movement between a vertical carrying position adjacent the side of the vehicle and a second horizontal position to enable a user to walk along the side at the rear of the vehicle when launching a boat into a body of water or during recovery of the boat without requiring the user to get into the water.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: September 1, 1998
    Inventor: Robert D. Barnhart