Granted Patent
Utility
US 5,117,643 · App. 07/645,477
Automobile air-conditioner
Inventors:
Yoshihiko Sakurai, Katsumi Iida, Akihiko Takano, Hideo Yamaguchi, Teruaki Yano, Shigetoshi Doi, Taketoshi Matsushita
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Jan 24, 1991
Inventors
Yoshihiko Sakurai
Katsumi Iida
Akihiko Takano
Hideo Yamaguchi
Teruaki Yano
Shigetoshi Doi
Taketoshi Matsushita
Assignees (at issue)
Zexel GmbH
Mazda Motor Corporation
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.