Granted Patent
Utility
US 5,755,025 · App. 08/532,417
Process for manufacturing catalytic converters, especially bodies of motor vehicle catalytic converters of modular design
Inventors:
Georg Wirth, Siegfried Worner, Klaus F. Hoffmann
Patented Case
View Patent ↗
Granted: May 26, 1998
Filed: Sep 22, 1995
Inventors
Georg Wirth
Siegfried Worner
Klaus F. Hoffmann
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.