Granted Patent
Utility
US 5,579,746 · App. 08/485,064
Engine lean air/fuel control system
Inventors:
Douglas R. Hamburg, Dennis Craig Reed, Nicholas G. Zorka
Patented Case
View Patent ↗
Granted: Dec 3, 1996
Filed: Jun 8, 1995
Inventors
Douglas R. Hamburg
Dennis Craig Reed
Nicholas G. Zorka
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.