Granted Patent
Utility
US 6,089,347 · App. 09/058,735
Muffler with partition array
Inventor:
Ray T. Flugger
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Apr 13, 1998
Inventor
Ray T. Flugger
Assignee (at issue)
Flowmaster, Inc.
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.