Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641402 | Multistage disc filter | Raimo Kohonen | 1997-06-24 |
| 5618422 | Disc filter sector | — | 1997-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641402 | Multistage disc filter | Raimo Kohonen | 1997-06-24 |
| 5618422 | Disc filter sector | — | 1997-04-08 |