Granted Patent
Utility
US 6,331,755 · App. 09/095,062
Circuit for detecting near or below resonance operation of a fluorescent lamp driven by half-bridge circuit
Inventors:
Thomas Ribarich, Talbott M. Houk
Patented Case
View Patent ↗
Granted: Dec 18, 2001
Filed: Jun 10, 1998
Inventors
Thomas Ribarich
Talbott M. Houk
Assignee (at issue)
International Rectifier Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.