Granted Patent
Utility
US 4,254,906 · App. 06/066,485
Thermostat with simulated heat anticipation
Inventor:
Thomas E. Hayes
Patented Case
View Patent ↗
Granted: Mar 10, 1981
Filed: Aug 13, 1979
Inventor
Thomas E. Hayes
Assignee (at issue)
Johnson Controls, 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.