Granted Patent
Utility
US 6,819,216 · App. 10/414,752
Thermostat
Inventors:
Ichiro Onishi, Yoshihide Nakajima, Naotake Kokubu
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Apr 16, 2003
Inventors
Ichiro Onishi
Yoshihide Nakajima
Naotake Kokubu
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.