Patents by Inventor Clarence James Harsa

Clarence James Harsa 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).

  • Systematic configuration of compact fluorescent lamps for operation in a single-type ballast
    Patent number: 5834884
    Abstract: A systematic configuration of compact fluorescent lamps of different power levels determines the operating parameters for normal operation of each respective lamp in a single-type ballast.
    Type: Grant
    Filed: December 23, 1996
    Date of Patent: November 10, 1998
    Assignee: General Electric Company
    Inventors: Victor David Roberts, Clarence James Harsa, David Joseph Kachmarik, Spiro Vamvakas