Granted Patent
Utility
US 5,456,291 · App. 08/342,033
Conduit metallic knit element for exhaust gas systems
Inventor:
Thomas Kunzmann
Patented Case
View Patent ↗
Granted: Oct 10, 1995
Filed: Nov 17, 1994
Inventor
Thomas Kunzmann
Assignee (at issue)
IWK Regler und Kompensatoren 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.