Granted Patent
Utility
US 5,051,884 · App. 07/344,394
Control apparatus for automobile air-conditioners
Inventor:
Katsumi Iida
Patented Case
View Patent ↗
Granted: Sep 24, 1991
Filed: Apr 28, 1989
Inventor
Katsumi Iida
Assignee (at issue)
Diesel Kiki Co., 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.