Granted Patent
Utility
US 4,693,224 · App. 06/740,067
Fuel injection method and apparatus
Inventor:
Michael L. McKay
Patented Case
View Patent ↗
Granted: Sep 15, 1987
Filed: Apr 2, 1985
Inventor
Michael L. McKay
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.