Granted Patent
Utility
US 4,727,836 · App. 06/940,188
Fuel injection apparatus for internal combustion engine
Inventors:
Hidekazu Oshizawa, Kenji Okamoto
Patented Case
View Patent ↗
Granted: Mar 1, 1988
Filed: Dec 9, 1986
Inventors
Hidekazu Oshizawa
Kenji Okamoto
Assignee (at issue)
Dielsel 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.