Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7708114 | Sound-attenuating muffler having reduced back pressure | — | 2010-05-04 |
| 7708115 | Sound-attenuating muffler having reduced back pressure | — | 2010-05-04 |
| 6776257 | Sound-attenuating muffler having reduced back pressure | — | 2004-08-17 |
| 6286623 | Sound-attenuating muffler for internal combustion engine | — | 2001-09-11 |