Granted Patent
Utility
US 6,794,771 · App. 10/175,965
Fault-tolerant multi-point flame sense circuit
Inventor:
Brian Orloff
Patented Case
View Patent ↗
Granted: Sep 21, 2004
Filed: Jun 20, 2002
Inventor
Brian Orloff
Assignee (at issue)
Ranco Incorporated of Delaware
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.