Granted Patent
Utility
US 4,557,240 · App. 06/729,694
Injection timing control device for distributor-type fuel injection pumps
Inventor:
Toru Sakuranaka
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: May 2, 1985
Inventor
Toru Sakuranaka
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.