Patents by Inventor Jerry R. Duke

Jerry R. Duke 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).

  • Ratchet wrench of the socket drive type with socket ejector
    Patent number: 4524652
    Abstract: Ratchet wrenches of the socket drive type with socket ejector incorporate improved structure and arrangement involving the control knob stub shaft portion, the ejector pin retainer plate, and assembly technique.
    Type: Grant
    Filed: May 9, 1984
    Date of Patent: June 25, 1985
    Assignee: Thorsen Tool Company
    Inventors: Kenneth G. Wenzel, Jerry R. Duke