Granted Patent
Utility
US 4,492,191 · App. 06/468,397
Fuel cut-off device for fuel injection pumps for multi-cylinder internal combustion engines
Inventors:
Fujio Aoki, Hiroshi Isobe
Patented Case
View Patent ↗
Granted: Jan 8, 1985
Filed: Feb 22, 1983
Inventors
Fujio Aoki
Hiroshi Isobe
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.