Patents by Inventor William L. Ellis

William L. Ellis 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).

  • Mobile kitchen and cafeteria unit
    Patent number: 4601509
    Abstract: A combination mobile kitchen and cafeteria unit is provided which comprises an elongate wheeled walled enclosure having ingress and egress patron passageways along a side wall thereof with a patron serving aisle within the enclosure communicating with the ingress and egress passageways and along which aisle extend facilities for serving food and beverage. Also provided are attendant facilities for food and beverage storage and preparation, cooking, food cooling and washing.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: July 22, 1986
    Inventor: William L. Ellis, Sr.
  • Bicycle sprocket shield
    Patent number: 4487424
    Abstract: A universal flexible sprocket shield adapted for pedal crank attachment by any user of single, three speed, or ten to fifteen speed bicycle. A modified shield is adapted for original equipment installation as a flexible shield extension to existing sprocket plates.
    Type: Grant
    Filed: January 21, 1983
    Date of Patent: December 11, 1984
    Inventor: William L. Ellis