Patents by Inventor Donald E. Chaulk

Donald E. Chaulk 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).

  • Adjustable stop for position control lever for draft load sensing system
    Patent number: 4501168
    Abstract: An adjustable position control lever stop in a control console of a tractor. The control levers operate a draft load sensing system through a three-point hitch between the tractor and the implement. The control levers in the control console include a draft load sensing control lever, and a position control lever which operates with the adjustable position control lever stop.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: February 26, 1985
    Assignee: Allis-Chalmers Corp.
    Inventor: Donald E. Chaulk