Patents by Inventor William Griggle

William Griggle 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: D392333
    Type: Grant
    Filed: September 30, 1996
    Date of Patent: March 17, 1998
    Inventor: William Griggle