Granted Patent
Utility
US 5,173,643 · App. 07/543,271
Circuit for dimming compact fluorescent lamps
Inventors:
Charles R. Sullivan, Scott R. Jurell, David G. Luchaco
Patented Case
View Patent ↗
Granted: Dec 22, 1992
Filed: Jun 25, 1990
Inventors
Charles R. Sullivan
Scott R. Jurell
David G. Luchaco
Assignee (at issue)
Lutron Electronics Co., Inc.
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.