Patents by Inventor William U. Villamizar

William U. Villamizar 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).

  • Tire tread
    Patent number: D379441
    Type: Grant
    Filed: February 21, 1996
    Date of Patent: May 27, 1997
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: William U. Villamizar, Richard Heinen, Alain A. Z. S. Klepper, Maurice Graas, Michel Constant