Granted Patent
Utility
US 5,232,891 · App. 07/749,296
Process for the manufacture of a gauze for a catalytic converter and a gauze for a catalytic converter manufactured according thereto
Inventors:
Michael Hormann, Stefan Kotowski, David Francis Lupton, Werner Reiss, Friedhold Scholz, Bruno Streb, Antje Viel
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Aug 23, 1991
Inventors
Michael Hormann
Stefan Kotowski
David Francis Lupton
Werner Reiss
Friedhold Scholz
Bruno Streb
Antje Viel
Assignee (at issue)
W. C. Heraeus GmbH
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.