Granted Patent
Utility
US 6,497,200 · App. 09/801,551
Fuel-fired heating appliance with combustion chamber temperature-sensing combustion air shutoff system
Inventors:
Gordon W. Stretch, John H. Scanlon, Gary A. Elder, James T. Campbell, Larry D. Kidd, Eric M. Lannes
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Mar 8, 2001
Inventors
Gordon W. Stretch
John H. Scanlon
Gary A. Elder
James T. Campbell
Larry D. Kidd
Eric M. Lannes
Assignee (at issue)
The Water Heater Industry Joint Research and Development Consortium
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.