Granted Patent
Utility
US 6,345,565 · App. 09/366,041
Vacuum servo unit for vehicle brake systems
Inventors:
Kaoru Tsubouchi, Akihiko Miwa
Patented Case
View Patent ↗
Granted: Feb 12, 2002
Filed: Aug 2, 1999
Inventors
Kaoru Tsubouchi
Akihiko Miwa
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.