Granted Patent
Utility
US 4,259,655 · App. 06/051,831
Adjustable thermostat
Inventor:
Charles A. Balchunas
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Jun 25, 1979
Inventor
Charles A. Balchunas
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.