Patents by Inventor Lesley L. Willemssen

Lesley L. Willemssen 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: 7021396
    Abstract: A three-point apparatus is disclosed comprising a hitch system, an implement, and a suspension system. The hitch system is comprised of a base and a three-point interface. The base of hitch system is coupled to the three-point interface of the hitch system. The three-point interface is configured to connect to a three-point system, such as the three-point arms of a tractor. The suspension system is coupled between the base of the hitch system and the implement.
    Type: Grant
    Filed: September 5, 2003
    Date of Patent: April 4, 2006
    Assignee: Wil-Rich, LLC
    Inventors: Dan P. Steinberger, Alan L. Redman, Lawrence F. Bernard, Lesley L. Willemssen