Granted Patent
Utility
US 6,667,585 · App. 10/079,182
Fluorescent lamp brightness control process by ballast frequency adjustment
Inventor:
Kevan O'Meara
Patented Case
View Patent ↗
Granted: Dec 23, 2003
Filed: Feb 20, 2002
Inventor
Kevan O'Meara
Assignee (at issue)
NORTHROP GRUMMAN 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.