Patents by Inventor Billy James Williamson

Billy James Williamson 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: D423139
    Type: Grant
    Filed: December 10, 1998
    Date of Patent: April 18, 2000
    Inventor: Billy James Williamson