Patents by Inventor Roger S. Dunbar

Roger S. Dunbar 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).

  • Vehicle windshield wiper/lighting activation system utilizing a timed delay startup and light retention feature
    Patent number: 5449974
    Abstract: A combination windshield wiper/vehicle lighting system in which the head, tail and parking lights can be automatically activated when the windshield wipers are activated. A time-delay on device within the system causes the vehicle lights to be delay activated a short time after the windshield wipers are activated. Further, the present system includes the ability to retain the lights on once the windshield wipers have been deactivated. Ordinary function of the windshield wipers and vehicle lights is not impeded by the system of the present invention.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: September 12, 1995
    Inventor: Roger S. Dunbar