Patents by Inventor William S. Fray

William S. Fray 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).

  • Lamp assembly
    Patent number: 5083245
    Abstract: A vehicle headlamp assembly for producing a passing beam pattern has a paraboloidal or divergent ellipsoidal reflector with a focus. A bulb filament is disposed completely behind the focus and has no light shield interposed between the filament and the reflector so that a divergent light beam is reflected off the reflector. A lens element has prism portions (A to C) which refract light passing therethrough downwardly to produce the required light beam pattern .
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: January 21, 1992
    Assignee: Carello Lighting plc
    Inventors: William S. Fray, David E. Ballinger