Granted Patent
Utility
US 4,640,241 · App. 06/738,944
Fuel injection apparatus for diesel engines
Inventor:
Masahiro Matsunaga
Patented Case
View Patent ↗
Granted: Feb 3, 1987
Filed: May 29, 1985
Inventor
Masahiro Matsunaga
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.