Granted Patent
Utility
US 4,993,394 · App. 07/394,168
Fuel injection internal combustion engines
Inventors:
Michael L. McKay, Steven R. Ahern
Patented Case
View Patent ↗
Granted: Feb 19, 1991
Filed: Jul 7, 1989
Inventors
Michael L. McKay
Steven R. Ahern
Assignee (at issue)
Orbital Engine Company Proprietary 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.