Granted Patent
Utility
US 5,592,989 · App. 08/233,917
Electronic thermostat having high and low voltage control capability
Inventors:
Michael F. Lynn, Alan Morris, Richard A. Perry, June R. Carper
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Apr 28, 1994
Inventors
Michael F. Lynn
Alan Morris
Richard A. Perry
June R. Carper
Assignee (at issue)
Landis & Gyr Powers, 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.