Patents by Inventor Fred R. Martin

Fred R. Martin 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: D287322
    Type: Grant
    Filed: May 31, 1984
    Date of Patent: December 23, 1986
    Inventor: Fred R. Martin