Granted Patent
Utility
US 5,224,648 · App. 07/858,480
Two-way wireless HVAC system and thermostat
Inventors:
Bernard Simon, Wade W. Smith
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Mar 27, 1992
Inventors
Bernard Simon
Wade W. Smith
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.