Granted Patent
Utility
US 4,674,448 · App. 06/799,903
Fuel injection system for a multi-cylinder reciprocating internal combustion engine
Inventor:
Anton Steiger
Patented Case
View Patent ↗
Granted: Jun 23, 1987
Filed: Nov 20, 1985
Inventor
Anton Steiger
Assignee (at issue)
Sulzer Brothers Limited
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.