Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9222392 | Exhaust gas treatment device | Roland Schwarz, Johannes Grupp | 2015-12-29 |
| 7803327 | Exhaust gas treatment device and the respective manufacturing process | Georg Wirth, Peter Zacke | 2010-09-28 |