Granted Patent
Utility
US 5,928,981 · App. 08/838,846
Diesel catalytic converter
Inventors:
Jurgen Leyrer, Dieter Lindner, Egbert Lox, Thomas Kreuzer, Wilfried Muller, Rainer Domesle
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Apr 11, 1997
Inventors
Jurgen Leyrer
Dieter Lindner
Egbert Lox
Thomas Kreuzer
Wilfried Muller
Rainer Domesle
Assignee (at issue)
Degussa-Huels 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.