Patents by Inventor Gary J. Grinn

Gary J. Grinn 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).

  • Door assembly for pick-up trucks
    Patent number: 4930836
    Abstract: An improved door assembly, especially for pick-up trucks, consists of a conventional front door and a rear auxiliary door latchingly secured together. The rear door is latched to the truck body and is overlapped by the front door in their closed positions requiring sequential opening.
    Type: Grant
    Filed: June 24, 1988
    Date of Patent: June 5, 1990
    Assignee: Ford Motor Company
    Inventor: Gary J. Grinn