Patents by Inventor Jack L. Pierce

Jack L. Pierce 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: D306406
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: March 6, 1990
    Inventors: Robert W. Pierce, Jack L. Pierce