Granted Patent
Utility
US 4,246,875 · App. 05/924,159
Apparatus and system for controlling the air-fuel ratio supplied to a combustion engine
Inventors:
Kenneth, C. Bier, Robert J. Miller
Patented Case
View Patent ↗
Granted: Jan 27, 1981
Filed: Jul 13, 1978
Inventors
Kenneth, C. Bier
Robert J. Miller
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.