Patents by Inventor Joan T. Cunningham

Joan T. Cunningham 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: D335929
    Type: Grant
    Filed: December 7, 1990
    Date of Patent: May 25, 1993
    Inventors: Joan T. Cunningham, James Cunningham