Patents by Inventor William Vantuil

William Vantuil 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).

  • Visual display system
    Patent number: D438256
    Type: Grant
    Filed: December 2, 1999
    Date of Patent: February 27, 2001
    Assignee: Clientronics Inc.
    Inventors: Jack Timmermans, William Vantuil