Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6858137 | Filter module having a closure element | Uwe Hahmann, Klaus Heilmann, Gerhard Breith, Steffen Fritzsche | 2005-02-22 |
| 6419825 | Closure element | Uwe Hahmann, Klaus Heilmann, Gerhard Breith, Steffen Fritzsche, Igor Raiko | 2002-07-16 |