Granted Patent
Utility
US 5,180,408 · App. 07/815,941
Device for treating the exhaust gases of internal combustin engines with two exhaust gas treatment bodies arranged at spaced locations
Inventors:
Siegfried Worner, Georg Wirth, Peter Zacke
Patented Case
View Patent ↗
Granted: Jan 19, 1993
Filed: Dec 30, 1991
Inventors
Siegfried Worner
Georg Wirth
Peter Zacke
Assignee (at issue)
J. Eberspaecher GmbH & Co. KG
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.