Patents by Inventor Randall L. Wingenroth

Randall L. Wingenroth 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).

  • Contact for a vehicle horn circuit
    Patent number: 7060919
    Abstract: A horn circuit for a vehicle includes a steering wheel, a prong extending from a base, and a carbon-based contact disposed on the prong and in electrical contact with the steering wheel. A method of manufacturing a vehicular horn system includes connecting a prong to a base, connecting a steering wheel to a steering column that extends through the base, and positioning a carbon-based contact at an end of the prong to be in electrical contact with the steering wheel.
    Type: Grant
    Filed: August 24, 2004
    Date of Patent: June 13, 2006
    Assignee: Mitsubishi Caterpillar Forklift America, Inc.
    Inventors: William D. Fussell, Randall L. Wingenroth, Roger L. Bell, Jay B. Stotts