Granted Patent
Utility
US 6,478,573 · App. 09/448,000
Electronic detecting of flame loss by sensing power output from thermopile
Inventor:
Brent Chian
Patented Case
View Patent ↗
Granted: Nov 12, 2002
Filed: Nov 23, 1999
Inventor
Brent Chian
Assignee (at issue)
HONEYWELL INTERNATIONAL 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.