Patents by Inventor Herbert L. Walton

Herbert L. Walton 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 headlight having dual filament tungsten halogen lamp
    Patent number: 4319156
    Abstract: A tungsten-halogen incandescent lamp which includes a vitreous envelope, an inert gas and halogen fill, and two pairs of straight, parallel lead-in wires retained within the envelope's press-sealed end, each of said pairs having a tungsten filament supported thereon within the envelope. The pairs of wires occupy respective parallel planes within the press-sealed end with one pair laterally offset from the other. A method for making the lamp is also disclosed, in addition to a vehicle headlight particularly suited for utilizing the lamp.
    Type: Grant
    Filed: August 11, 1980
    Date of Patent: March 9, 1982
    Assignee: GTE Products Corporation
    Inventors: Roland L. Bienvenue, Herbert L. Walton