Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6499603 | Screen for cleaning pulp suspensions | Axel Pichler, Alexander Gscheider | 2002-12-31 |
| 6475337 | Process for aerating dispersions | Erwin Hertl, Bernhard Scherzinger | 2002-11-05 |