Patents by Inventor Daniel P. Nowack

Daniel P. Nowack 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).

  • Lawn mower traction control system
    Patent number: 4558558
    Abstract: A self-propelled lawn mower (2) has an engine (4), transmission (8), two drive wheels (10) and a rearwardly and upwardly extending handle (18). A pivotable and rotatable control bar (20) is mounted on handle (18). The pivotable and rotatable bar (20) provides individual or simultaneous engagement of drive wheels for ground traction, gradual or zero radius turns, and braking. Thus a single control bar (20) provides a multitude of functions.
    Type: Grant
    Filed: July 31, 1984
    Date of Patent: December 17, 1985
    Assignee: The Toro Company
    Inventors: Herbert F. Horner, Jr., Michael M. Zenner, Daniel P. Nowack, Herman P. Christopherson