Patents by Inventor Dale R. Greenhalgh

Dale R. Greenhalgh 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).

  • Frame for a racing cart
    Patent number: D268746
    Type: Grant
    Filed: October 14, 1980
    Date of Patent: April 26, 1983
    Assignee: West Coast Marine Boat & Tug, Inc.
    Inventors: Dennis L. Greenhalgh, Dale R. Greenhalgh