Granted Patent
Utility
US 5,506,569 · App. 08/251,816
Self-diagnostic flame rectification sensing circuit and method therefor
Inventor:
Mitchell R. Rowlette
Patented Case
View Patent ↗
Granted: Apr 9, 1996
Filed: May 31, 1994
Inventor
Mitchell R. Rowlette
Assignee (at issue)
Texas Instruments Incorporated
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.