Granted Patent
Utility
US 6,571,601 · App. 10/230,077
Method for determining the reducing agent concentration (NH3) in the exhaust-gas flow of an internal combustion engine
Inventors:
Eckard Irion, Aleksandar Knezevic, Holger Leye, Mirko Smuk
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Aug 29, 2002
Inventors
Eckard Irion
Aleksandar Knezevic
Holger Leye
Mirko Smuk
Assignee (at issue)
Conti Temic microelectronic GmbH
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.