Granted Patent
Utility
US 5,521,339 · App. 08/342,331
Catalyst muffler system
Inventors:
Michael S. Despain, Kevin Beaulieu, Kim B. Liechty
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Nov 18, 1994
Inventors
Michael S. Despain
Kevin Beaulieu
Kim B. Liechty
Assignee (at issue)
WCI Outdoor Products, 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.