Patents by Inventor Jerry Zien

Jerry Zien 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: 6109010
    Abstract: A control system for a riding turf mower. The control system incorporates an interlock system capable of controlling the cutting operation of the mower when traveling in a reverse direction.
    Type: Grant
    Filed: October 6, 1998
    Date of Patent: August 29, 2000
    Assignee: The Toro Company
    Inventors: Karl D. Heal, James Ray Fear, Jerry Zien