Granted Patent
Utility
US 6,065,388 · App. 09/062,737
Vacuum type brake booster for vehicle
Inventors:
Kaoru Tsubouchi, Akihiko Miwa, Nobuyuki Hirota, Minoru Watanabe, Yoichi Terasaki
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Apr 20, 1998
Inventors
Kaoru Tsubouchi
Akihiko Miwa
Nobuyuki Hirota
Minoru Watanabe
Yoichi Terasaki
Assignee (at issue)
AISIN SEIKI KABUSHIKI KAISHA
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.