Granted Patent
Utility
US 4,669,668 · App. 06/810,692
Fuel injector for internal combustion engines
Inventor:
Masanobu Ogawa
Patented Case
View Patent ↗
Granted: Jun 2, 1987
Filed: Dec 18, 1985
Inventor
Masanobu Ogawa
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.