Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6158546 | Straight through muffler with conically-ended output passage | Dale E. Sterrett | 2000-12-12 |
| 4865154 | Muffler with drain holes | William E. Hill | 1989-09-12 |
| 4744440 | Exhaust gas silencing device | — | 1988-05-17 |