Granted Patent
Utility
US 6,660,359 · App. 09/743,017
Fiber mat
Inventors:
Georg Wirth, Peter Zacke, Siegfried Woerner
Patented Case
View Patent ↗
Granted: Dec 9, 2003
Filed: Feb 9, 2001
Inventors
Georg Wirth
Peter Zacke
Siegfried Woerner
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.