Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426002 | Filter device | Klaus Heilmann, Michael Schonhofen, Gerhard Wiesen | 2002-07-30 |
| 6419825 | Closure element | Christian Sauerwald, Klaus Heilmann, Gerhard Breith, Steffen Fritzsche, Igor Raiko | 2002-07-16 |