Granted Patent
Utility
US 4,446,913 · App. 06/510,493
Auto changeover thermostat with means for handling temperature entry errors
Inventor:
Robert E. Krocker
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Jul 5, 1983
Inventor
Robert E. Krocker
Assignee (at issue)
The Trane 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.