Granted Patent
Utility
US 4,894,587 · App. 07/045,898
High frequency gas discharge lamp dimming ballast
Inventors:
Aaron Jungreis, Dennis Capewell, David G. Luchaco
Patented Case
View Patent ↗
Granted: Jan 16, 1990
Filed: May 4, 1987
Inventors
Aaron Jungreis
Dennis Capewell
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.