Granted Patent
Utility
US 5,770,925 · App. 08/865,810
Electronic ballast with inverter protection and relamping circuits
Inventors:
John G. Konopka, Sameer Sodhi
Patented Case
View Patent ↗
Granted: Jun 23, 1998
Filed: May 30, 1997
Inventors
John G. Konopka
Sameer Sodhi
Assignee (at issue)
Motorola, 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.