Patents by Inventor Peter Paul Johnston

Peter Paul Johnston 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).

  • Patent number: 6896070
    Abstract: A coupling mechanism for a work vehicle includes a coupler frame for mounting to the work vehicle and a pair of dual hook members mountable on the frame. Each dual hook member has a body with first and second hooks projecting from opposite ends the body. The ends of the body define a body plane extending therebetween. The first and second hooks project on the same side of the body plane. Each hook forms a coupling recess, and each of the recesses opens away from the body plane. The first hook is smaller than the second hook. The dual hook member is mountable in a first orientation wherein the first hook is in an operative position and is mountable in a second orientation wherein the second hook is in an operative position.
    Type: Grant
    Filed: July 17, 2003
    Date of Patent: May 24, 2005
    Assignee: Deere & Company
    Inventors: Robert Lee Wood, Jr., Peter Paul Johnston, Duane William Powell