Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882855 | Dryer section for drying a running web in a paper or board making machine | Hans Loser, Tri Chau-Huu | 1989-11-28 |
| 4880532 | Sorting apparatus for fiber suspensions | Walter Musselmann | 1989-11-14 |
| 4880671 | Method and apparatus for coating running webs | Hans-Peter Sollinger, Hans-Peter Weiss, Rudolf Beisswanger | 1989-11-14 |