Granted Patent
Utility
US 4,166,994 · App. 05/862,351
Thermostat with positive off position
Inventor:
Harold A. DeRemer
Patented Case
View Patent ↗
Granted: Sep 4, 1979
Filed: Dec 20, 1977
Inventor
Harold A. DeRemer
Assignee (at issue)
General Electric Company
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.