Granted Patent
Utility
US 5,272,427 · App. 07/886,275
Furnace control apparatus and method
Inventors:
Craig Nold, Mark E. Miller, Mitchell R. Rowlette, Robert B. Brown
Patented Case
View Patent ↗
Granted: Dec 21, 1993
Filed: May 20, 1992
Inventors
Craig Nold
Mark E. Miller
Mitchell R. Rowlette
Robert B. Brown
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.