Granted Patent
Utility
US 5,186,682 · App. 07/770,356
Air conditioning system for vehicles
Inventor:
Katsumi Iida
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Oct 3, 1991
Inventor
Katsumi Iida
Assignee (at issue)
Zexel GmbH
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.