Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6730774 | Method and device for decontaminating polycondensates | Andreas Christel, Thomas Hersperger | 2004-05-04 |
| 6716959 | Device and method for treating plastic material | Martin Mueller, Filippo Terrasi, Hans Geissbuehler | 2004-04-06 |