Patents by Inventor David P Chappo

David P Chappo 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).

  • Guitar pick
    Patent number: D716866
    Type: Grant
    Filed: July 16, 2013
    Date of Patent: November 4, 2014
    Inventors: James G Chappo, David P Chappo