Patents by Inventor Robert S. Bardin

Robert S. Bardin 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: D245059
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: July 19, 1977
    Inventor: Robert S. Bardin
  • Patent number: D253510
    Type: Grant
    Filed: May 24, 1977
    Date of Patent: November 27, 1979
    Inventor: Robert S. Bardin