Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6413366 | Method and device for flotation of pollutants from an aqueous fibrous material suspension | — | 2002-07-02 |
| 6409880 | Apparatus and process for removing fine impurities from a fibrous suspension | Horst Wiese | 2002-06-25 |