Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6749665 | Method when cleaning a filter | Leif A. V. Lindau | 2004-06-15 |
| 6726020 | Method and device for a dry cleansing plant for aluminum reduction furnaces exhaust gas | Ole K. Bøckman | 2004-04-27 |