Granted Patent
Utility
US 6,642,669 · App. 10/160,546
Electronic dimming ballast for compact fluorescent lamps
Inventors:
Russell L. MacAdam, Andrew Ryan Offenbacher, Jecko Arakkal
Patented Case
View Patent ↗
Granted: Nov 4, 2003
Filed: Jun 1, 2002
Inventors
Russell L. MacAdam
Andrew Ryan Offenbacher
Jecko Arakkal
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.