Granted Patent
Utility
US 4,408,591 · App. 06/319,787
Injection timing control device for distributor-type fuel injection pumps
Inventor:
Hisashi Nakamura
Patented Case
View Patent ↗
Granted: Oct 11, 1983
Filed: Nov 9, 1981
Inventor
Hisashi Nakamura
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.