Granted Patent
Utility
US 6,607,052 · App. 09/952,004
Muffler shell filling process and muffler filled with fibrous material
Inventors:
Luc Brandt, Leon Charlier
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: Sep 12, 2001
Inventors
Luc Brandt
Leon Charlier
Assignee (at issue)
Owens Corning Composites SPRL
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.