Patents by Inventor Richard R. Hughes

Richard R. Hughes 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: D351376
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: October 11, 1994
    Inventor: Richard R. Hughes
  • Patent number: D360876
    Type: Grant
    Filed: January 19, 1994
    Date of Patent: August 1, 1995
    Inventor: Richard R. Hughes