Granted Patent
Utility
US 5,251,605 · App. 07/989,315
Air-fuel control having two stages of operation
Inventor:
Craig R. Swailes
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Dec 11, 1992
Inventor
Craig R. Swailes
Assignee (at issue)
Ford Motor Company
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.