Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4878281 | Press roll for dewatering a web | Andreas Schutte, Christian Schiel, Karl Steiner, Josef Mullner | 1989-11-07 |
| RE33034 | Press roll for web material with clamped press jacket | Christian Schiel, Udo Grossmann, Joseph Mullner, Karl Steiner | 1989-08-29 |