Granted Patent
Utility
US 5,904,088 · App. 08/938,834
Brake booster apparatus for a vehicle
Inventors:
Osamu Ogura, Kenichi Sato
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Sep 26, 1997
Inventors
Osamu Ogura
Kenichi Sato
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.