Granted Patent
Utility
US 5,039,009 · App. 07/554,223
Thermostat interface for a refrigeration system controller
Inventors:
Joe M. Baldwin, Merle A. Renaud, Alan Metcalfe
Patented Case
View Patent ↗
Granted: Aug 13, 1991
Filed: Jul 16, 1990
Inventors
Joe M. Baldwin
Merle A. Renaud
Alan Metcalfe
Assignee (at issue)
American Standard 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.