Granted Patent
Utility
US 4,671,073 · App. 06/636,516
Intake air control device for automotive air-conditioning apparatus
Inventor:
Shinichi Ohi
Patented Case
View Patent ↗
Granted: Jun 9, 1987
Filed: Mar 5, 1986
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.