Granted Patent
Utility
US 4,593,669 · App. 06/729,693
Injection timing control device for distributor-type fuel injection pumps
Inventor:
Shinichi Igarashi
Patented Case
View Patent ↗
Granted: Jun 10, 1986
Filed: May 2, 1985
Inventor
Shinichi Igarashi
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.