Granted Patent
Utility
US 4,635,854 · App. 06/729,557
Fuel injection valve for internal combustion engines
Inventor:
Toru Ishibashi
Patented Case
View Patent ↗
Granted: Jan 13, 1987
Filed: May 2, 1985
Inventor
Toru Ishibashi
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.