Patents by Inventor Charles F. Hennecke

Charles F. Hennecke 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).

  • Rim drive for a bicycle speedometer
    Patent number: D246850
    Type: Grant
    Filed: December 18, 1975
    Date of Patent: January 3, 1978
    Assignee: Stewart-Warner Corporation
    Inventor: Charles F. Hennecke