Patents by Inventor Harold E. Caplan

Harold E. Caplan 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).

  • Caution lights on motor vehicles
    Publication number: 20020097149
    Abstract: A system comprised of caution lights mounted on a motor vehicle that are visible to operators of following vehicles wherein the caution lights can be turned on by the motor vehicle operator by closing either an electrical switch in a battery circuit providing power to the caution lights or closing a relay switch in the battery circuit, wherein the relay is actuated by a radio frequency receiver that is actuated by a radio signal sent to the receiver from a radio transmitter that is actuated by the motor vehicle operator
    Type: Application
    Filed: December 17, 2001
    Publication date: July 25, 2002
    Inventor: Harold E. Caplan