Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4489046 | Method for working-up arsenic-containing waste | Stig A. Petersson | 1984-12-18 |
| 4244733 | Method of producing blister copper from copper raw material containing antimony | Stig A. Petersson, Arne C. Fridfeldt | 1981-01-13 |
| 4204861 | Method of producing blister copper | Stig A. Petersson | 1980-05-27 |