Granted Patent
Utility
US 4,385,503 · App. 06/254,724
Air conditioning apparatus for vehicle
Inventor:
Eigi Okura
Patented Case
View Patent ↗
Granted: May 31, 1983
Filed: Apr 16, 1981
Inventor
Eigi Okura
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.