Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5257965 | Roller for pressure treatment of webs | Wolfram Friesen | 1993-11-02 |
| 4789433 | Skimming blade with wave shaped troughs for a papermaking machine | — | 1988-12-06 |
| 4484981 | Papermaking dewatering apparatus having wire support means with cooling water feed means | Ulrich Krohn | 1984-11-27 |