Patents by Inventor Frank Mattoon

Frank Mattoon 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: D353784
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: December 27, 1994
    Inventors: Allen D. Mattoon, Frank Mattoon