Granted Patent
Utility
US 4,649,362 · App. 06/772,970
Thermostat
Inventors:
Donald W. Fries, David W. Troscinski
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Sep 5, 1985
Inventors
Donald W. Fries
David W. Troscinski
Assignee (at issue)
Eaton Corporation
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.