Granted Patent
Utility
US 4,619,233 · App. 06/746,115
Fuel injection system for internal combustion engines
Inventor:
Susumu Yamaguchi
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Jun 18, 1985
Inventor
Susumu Yamaguchi
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.