Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251223 | Process for improving printing paper | Hansjorg Kessler, Dieter Horand | 2001-06-26 |
| 5597612 | Process for the manufacture of paper webs having CF or CB layers for pressure-sensitive recording | Horst Schoen, Horst W. Heyer | 1997-01-28 |
| 5257965 | Roller for pressure treatment of webs | Karl-Dieter Fuchs | 1993-11-02 |