Granted Patent
Utility
US 5,609,087 · App. 08/613,210
Valve mechanism for booster
Inventor:
Satoru Horikoshi
Patented Case
View Patent ↗
Granted: Mar 11, 1997
Filed: Mar 8, 1996
Inventor
Satoru Horikoshi
Assignee (at issue)
Jidosha Kiki Co., Ltd.
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.