Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039779 | Filter element | Thomas Butz, Guenther Kissel, Gehard Mayer, Volker Koch, Werner Schnabel | 2000-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039779 | Filter element | Thomas Butz, Guenther Kissel, Gehard Mayer, Volker Koch, Werner Schnabel | 2000-03-21 |