Granted Patent
Utility
US 5,935,530 · App. 08/841,565
Exhaust gas catalytic converter for a diesel engine
Inventors:
Hans-Joachim Langer, Bernhard Jokl
Patented Case
View Patent ↗
Granted: Aug 10, 1999
Filed: Apr 30, 1997
Inventors
Hans-Joachim Langer
Bernhard Jokl
Assignee (at issue)
MERCEDES-BENZ GROUP 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.