Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8256569 | Exhaust sound attenuation device and method of use | Dennis L. Huff | 2012-09-04 |
| 7942239 | Exhaust muffler | Keith Skowronski, Mark Bockwich | 2011-05-17 |
| 7798286 | Exhaust muffler having a horizontally extending sound attenuation chamber | Keith Skowronski, Mark Bockwich | 2010-09-21 |
| 6595319 | Muffler | — | 2003-07-22 |
| 6199658 | Multi-Fold side branch muffler | — | 2001-03-13 |
| 5952625 | Multi-fold side branch muffler | — | 1999-09-14 |