Patents by Inventor Richard L. Link

Richard L. Link 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).

  • Method and apparatus to automatically convert trailer marker lights to flashing hazard lights upon disruption of trailer lighting power supplied from a towing vehicle
    Patent number: 5775712
    Abstract: Apparatus for providing emergency actuation of lights on a trailer is disclosed. The apparatus comprises an electrical input connector for electrically connecting the apparatus with the plug of a towing vehicle lighting pigtail, an electrical output connector for electrically connecting the apparatus with an electrical connector of a trailer lighting harness, a battery, a battery charging circuit operable to receive power from a towing vehicle through the electrical input connector and to charge the battery, and a control circuit comprising a flasher and a solenoid switch. The control circuit is operable, in a first mode, to electrically connect the towing vehicle lighting pigtail with the trailer lighting harness with a towing vehicle lighting harness and operable, in a second mode, to connect the battery of the apparatus, through the flasher, to the trailer lighting harness.
    Type: Grant
    Filed: May 15, 1996
    Date of Patent: July 7, 1998
    Inventors: Richard L. Link, Richard S. Link