Granted Patent
Utility
US 6,802,386 · App. 10/071,230
Method of muffling the noise of successive components as well as a noise absorber for successive components
Inventor:
Guenter Koelle
Patented Case
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Granted: Oct 12, 2004
Filed: Feb 11, 2002
Inventor
Guenter Koelle
Assignee (at issue)
Daimlerchrysler AG
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.