Granted Patent
Utility
US 6,176,079 · App. 09/307,731
Process and apparatus for reducing nitrogen-oxide emissions in exhaust gas
Inventors:
Brigitte Konrad, Bernd Krutzsch, Dirk Voigtlaender
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: May 10, 1999
Inventors
Brigitte Konrad
Bernd Krutzsch
Dirk Voigtlaender
Assignee (at issue)
Daimlerchrysler AG
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.