Granted Patent
Utility
US 6,220,023 · App. 09/321,724
Line element with damping, particularly for exhaust pipes of internal combustion engines in motor vehicles
Inventors:
Fethi Ezzeddini, Georg Salzer
Patented Case
View Patent ↗
Granted: Apr 24, 2001
Filed: May 28, 1999
Inventors
Fethi Ezzeddini
Georg Salzer
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.