Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7926615 | Method of making an exhaust-noise attenuation muffler, and exhaust-noise attenuation muffler | Pieter Van Den Eijkel | 2011-04-19 |
| 7901637 | Device for exhaust emission purification for vehicles and production method thereof | Yousef Hemmatpour, Axel Hinder | 2011-03-08 |