Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341936 | Screening device for a fiber slurry, and a backwash means therefor | — | 1994-08-30 |
| 5307939 | Screening apparatus for papermaking pulp | Oscar Luthi | 1994-05-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341936 | Screening device for a fiber slurry, and a backwash means therefor | — | 1994-08-30 |
| 5307939 | Screening apparatus for papermaking pulp | Oscar Luthi | 1994-05-03 |