Patents by Inventor Robert A. Keyes

Robert A. Keyes 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).

  • Motor vehicle
    Patent number: D242696
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: December 14, 1976
    Inventor: Robert A. Keyes
  • Motor vehicle
    Patent number: D274398
    Type: Grant
    Filed: July 21, 1982
    Date of Patent: June 26, 1984
    Inventor: Robert A. Keyes