Granted Patent
Utility
US 4,732,011 · App. 06/862,484
Air conditioner for vehicles
Inventor:
Sadao Haiya
Patented Case
View Patent ↗
Granted: Mar 22, 1988
Filed: May 12, 1986
Inventor
Sadao Haiya
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.