Granted Patent
Utility
US 6,222,719 · App. 09/354,538
Ignition boost and rectification flame detection circuit
Inventor:
Andrew S. Kadah
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: Jul 15, 1999
Inventor
Andrew S. Kadah
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.