Patents by Inventor John C. Gempel

John C. Gempel 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).

  • Truck visor
    Patent number: D303239
    Type: Grant
    Filed: July 15, 1987
    Date of Patent: September 5, 1989
    Assignee: Go Industries, Inc.
    Inventors: John C. Gempel, Robert J. Orth, Sr.