Granted Patent
Utility
US 4,294,282 · App. 06/061,428
Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine
Inventors:
Ralph P. McCabe, Keith D. Marsh
Patented Case
View Patent ↗
Granted: Oct 13, 1981
Filed: Jul 27, 1979
Inventors
Ralph P. McCabe
Keith D. Marsh
Assignee (at issue)
Colt Industries Operating Corporation
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.