Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6696035 | Method for production of white microsilica | Magne Dastol, Eldar Dingsoyr, Per Ronning, Svein Harsaker | 2004-02-24 |
| 6330270 | Method for weighing electrodes in electric smelting furnaces | Georg Brustad, Frode Haugen, Aasgeir Valderhaug | 2001-12-11 |