Granted Patent
Utility
US 5,956,962 · App. 08/907,159
Air conditioner
Inventors:
Hiroshi Takenaka, Hirokiyo Terada, Minetoshi Izushi, Kensaku Oguni, Makoto Nagai, Shunji Sasaki, Yasuji Sakuma, Kenji Tokusa
Patented Case
View Patent ↗
Granted: Sep 28, 1999
Filed: Aug 6, 1997
Inventors
Hiroshi Takenaka
Hirokiyo Terada
Minetoshi Izushi
Kensaku Oguni
Makoto Nagai
Shunji Sasaki
Yasuji Sakuma
Kenji Tokusa
Assignee (at issue)
HITACHI, 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.