Granted Patent
Utility
US 5,162,709 · App. 07/513,811
Apparatus for controlling blower motor of automobile air-conditioner
Inventor:
Shinichi Ohi
Patented Case
View Patent ↗
Granted: Nov 10, 1992
Filed: Apr 25, 1990
Inventor
Shinichi Ohi
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.