Granted Patent
Utility
US 4,378,695 · App. 06/217,554
Apparatus for measuring fuel injection timing
Inventor:
Hidekazu Oshizawa
Patented Case
View Patent ↗
Granted: Apr 5, 1983
Filed: Dec 17, 1980
Inventor
Hidekazu Oshizawa
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.