Granted Patent
Utility
US 4,711,211 · App. 06/883,294
Fuel injection apparatus for internal combustion engine
Inventors:
Hidekazu Oshizawa, Kenji Okamoto
Patented Case
View Patent ↗
Granted: Dec 8, 1987
Filed: Jul 7, 1986
Inventors
Hidekazu Oshizawa
Kenji Okamoto
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.