IP Library › Granted Patent US 5,133,944
Granted Patent Utility
US 5,133,944 · App. 07/322,766

Method and device for the catalytic cleaning of exhaust gases of internal combustion engines

Inventors: Dieter Knetsch, Thomas Ullmann
Patented Case View Patent ↗
Granted: Jul 28, 1992 Filed: Mar 13, 1989
Inventors
Dieter Knetsch
Thomas Ullmann
Assignee (at issue)
J. Eberspaecher GmbH & Co. KG

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Quick Facts
Patent No.
US 5,133,944
App. No.
07/322,766
Filed
1989-03-13
Granted
1992-07-28
Kind
A