Granted Patent
Utility
US 5,512,789 · App. 08/270,973
Electrically heated catalyst control
Inventor:
Peter Mitchell Lyon
Patented Case
View Patent ↗
Granted: Apr 30, 1996
Filed: Jul 5, 1994
Inventor
Peter Mitchell Lyon
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.