Patents by Inventor Tom G. Steere

Tom G. Steere 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).

  • Patent number: 5942840
    Abstract: A high-pressure discharge lamp is disclosed having a discharge vessel, an outer bulb enclosing said discharge vessel and defining an intervening space therebetween, a UV-enhancer positioned in the space between the outer bulb and the discharge vessel, the UV-enhancer provided with a wall fabricated of a ceramic material and an internal electrode, wherein an end portion of the UV-enhancer is closed with a compressive seal.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: August 24, 1999
    Assignee: Philips Electronics North America Corp.
    Inventors: Tom G. Steere, Raghu Ramaiah, Greg Nelson, Jay J. Palmer, John C. Alderman