Granted Patent
Utility
US 6,300,777 · App. 09/139,743
Lamp ignition detection circuit
Inventor:
Thomas Ribarich
Patented Case
View Patent ↗
Granted: Oct 9, 2001
Filed: Aug 25, 1998
Inventor
Thomas Ribarich
Assignee (at issue)
International Rectifier 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.