Patents by Inventor Steven D. McGuire

Steven D. McGuire 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).

  • TCLP compliant fluorescent lamp
    Patent number: 5898265
    Abstract: A low pressure mercury vapor fluorescent lamp includes a lamp vessel having a mercury protective coating on the inner surface of the lamp envelope and a halophosphate phosphor layer. The lamp has a discharge sustaining filling including mercury and a rare gas. The level of mercury is selected such that the lamp has a standard average lamp life of about 20,000 hours while passing the Environmental Protection Agency's Toxicity Characteristic Leachate Procedure (TCLP) test and the State of California's Waste Extraction Test (WET).
    Type: Grant
    Filed: May 31, 1996
    Date of Patent: April 27, 1999
    Assignee: Philips Electronics North America Corporation
    Inventors: David R. Woodward, Steven D. McGuire, Wim Hellebrekers