Patents by Inventor Stephen W. Swinford

Stephen W. Swinford 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).

  • Pigtail connector with light
    Patent number: 5080594
    Abstract: A pigtail connector for transferring electrical power between electrical systems of a tractor and trailer includes a housing and an integral light source. The light source is wired to terminals of opposite polarity in the housing. The light source may be activated by engaging the marker lights on the tractor/trailer and provides a safety light directed over the deck plate area at the rear of the tractor. A removable lens focuses the light into a beam directed longitudinally over the connector so as to illuminate the connection area.
    Type: Grant
    Filed: September 4, 1990
    Date of Patent: January 14, 1992
    Inventor: Stephen W. Swinford