Granted Patent
Utility
US 5,719,474 · App. 08/663,893
Fluorescent lamps with current-mode driver control
Inventor:
Robert J. Vitello
Patented Case
View Patent ↗
Granted: Feb 17, 1998
Filed: Jun 14, 1996
Inventor
Robert J. Vitello
Assignee (at issue)
L'ORÉAL
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.