Granted Patent
Utility
US 4,898,325 · App. 07/168,278
Automobile air conditioner with separate flow adjustment for central and side vents
Inventor:
Muneo Sakurada
Patented Case
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Granted: Feb 6, 1990
Filed: Mar 15, 1988
Inventor
Muneo Sakurada
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.