Patents by Inventor Dennis W. Ruediger

Dennis W. Ruediger 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).

  • Supplemental identification system for channel and similar marker lights
    Patent number: 4344110
    Abstract: A channel marker includes signals which are unique so that the identity of a marker is readily apparent even against background lighting. The signals may include lights, prisms, lenses, luminescent strips and reflectors. The number and disposition of the signals further identify a marker. Photo-voltaic means can recharge batteries.
    Type: Grant
    Filed: December 31, 1979
    Date of Patent: August 10, 1982
    Inventor: Dennis W. Ruediger