Granted Patent
Utility
US 5,497,745 · App. 08/393,796
Engine control for enhanced catalyst warm up while maintaining manifold vacuum
Inventors:
Michael John Cullen, Alan Robert Dona
Patented Case
View Patent ↗
Granted: Mar 12, 1996
Filed: Feb 24, 1995
Inventors
Michael John Cullen
Alan Robert Dona
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.