Granted Patent
Utility
US 5,907,950 · App. 08/967,542
System for injecting nitrogen-oxide-reducing agents into an exhaust stream
Inventors:
Christian Enderle, Alois Raab, Martin Teigeler, Friedrich Wirbeleit
Patented Case
View Patent ↗
Granted: Jun 1, 1999
Filed: Nov 12, 1997
Inventors
Christian Enderle
Alois Raab
Martin Teigeler
Friedrich Wirbeleit
Assignee (at issue)
Daimler-Benz 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.