Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597201 | Device for cleaning fibrous suspensions for paper production | Werner Brettschneider | 2009-10-06 |
| 4402463 | Grinding apparatus for a suspension of fibres for paper manufacturing | Albrecht Kahmann | 1983-09-06 |