Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6604604 | Catalytic muffler and method | Kory J. Schuhmacher | 2003-08-12 |
| 6544310 | Exhaust aftertreatment filter with particulate distribution pattern | Z. Gerald Liu, Thomas M. Yonushonis, William C. Haberkamp, Randolph G. Zoran, Murray R. Schukar | 2003-04-08 |