Patents by Inventor Ronald K. Leonard

Ronald K. Leonard 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).

  • Implement hitch linkage for front mount mowers
    Patent number: 4744582
    Abstract: A hitch linkage for hitching an implement to a front mount riding mower including a plurality of hitch arms detachably mounted to the lift arms of the riding mower. A cross-link is pivotally mounted between the hitch arms. The support struts of a support wheel are fixably mounted to the cross-link. A cylinder selectively pivots the cross-link to raise or lower the support wheel. When the support wheel is lowered into ground engaging position, the support wheel is leading to the drive wheels of the riding mower during implement transport.
    Type: Grant
    Filed: November 10, 1986
    Date of Patent: May 17, 1988
    Assignee: Deere & Company
    Inventors: Lloyd A. Wykhuis, Michael J. O'Neill, Ronald K. Leonard