Patents by Inventor Duane E. Hill

Duane E. Hill 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).

  • "Silencer" Pickle Ball Paddle
    Publication number: 20140066235
    Abstract: Rubber sheets of various compounds are glued to the outer surfaces of pickle ball paddles made of plastic, wood, fiberglass, aluminum or graphite.
    Type: Application
    Filed: September 4, 2012
    Publication date: March 6, 2014
    Inventors: Duane E. Hill, Sherry L. Hill