Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5624558 | Method and apparatus for screening a fiber suspension | Frey Frejborg | 1997-04-29 |
| 5587077 | Screen cylinder or plate having a grooved first face and a stepless second face | Timo Alajaaski | 1996-12-24 |