Granted Patent
Utility
US 4,842,047 · App. 07/201,966
Air conditioner for automobiles
Inventors:
Muneo Sakurada, Yuusuke Takahashi
Patented Case
View Patent ↗
Granted: Jun 27, 1989
Filed: Jun 3, 1988
Inventors
Muneo Sakurada
Yuusuke Takahashi
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.