Patents by Inventor William D. Yerkes

William D. Yerkes 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).

  • Transportable vending cart with wood-fired oven
    Patent number: 6199549
    Abstract: The present invention relates to a transportable, wood-fired oven, which can either be utilized alone or disposed upon, installed, attached or otherwise mated to a housing or framework, of a cart of curved or agonic or convex design, said design permitting greater cart maneuverability and greater work area, and which oven can then be transported to a location having pedestrian traffic, such as street vending sites, or special events, for on-site preparation of foods at those locations.
    Type: Grant
    Filed: March 5, 1998
    Date of Patent: March 13, 2001
    Assignee: Vengo 2000
    Inventor: William D. Yerkes
  • Transportable vending cart
    Patent number: D398432
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: September 15, 1998
    Assignee: Vengo 2000, Inc.
    Inventor: William D. Yerkes