Patents by Inventor Robert L. Shetler

Robert L. Shetler 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).

  • Electronic shifting and ignition control system for motorcycles
    Patent number: 4488455
    Abstract: A circuit and mechanism employing Hall effect devices as sensors disables and enables the ignition of a motorcycle in response to changing position of a shift lever. The ignition circuit is disabled at the start of shift lever transit and enabled as soon as travel on the lever completes a shift. A side stand position sensor and interlock is also included.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: December 18, 1984
    Assignee: Robert L. Shetler
    Inventors: Robert L. Shetler, Robert Merritt, Torsak Sethanant