Patents by Inventor Kelly E. Clark

Kelly E. Clark 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).

  • Extendable trailer hitch
    Patent number: D354263
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: January 10, 1995
    Inventors: Kelly E. Clark, Mary Clark