Granted Patent
Utility
US 4,563,997 · App. 06/693,112
Control system and method for comprex supercharger
Inventor:
Hachiro Aoki
Patented Case
View Patent ↗
Granted: Jan 14, 1986
Filed: Jan 22, 1985
Inventor
Hachiro Aoki
Assignee (at issue)
Diesel 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.