Granted Patent
Utility
US 5,600,947 · App. 08/498,211
Method and system for estimating and controlling electrically heated catalyst temperature
Inventor:
Michael John Cullen
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Jul 5, 1995
Inventor
Michael John Cullen
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.