Granted Patent
Utility
US 5,711,202 · App. 08/686,429
Vacuum servo unit for a vehicle braking system
Inventor:
Kaoru Tsubouchi
Patented Case
View Patent ↗
Granted: Jan 27, 1998
Filed: Jul 26, 1996
Inventor
Kaoru Tsubouchi
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.