Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5415832 | Method of manufacturing mouldings | Sigurd Friborg, Kurt Lill | 1995-05-16 |
| 4591381 | Process of producing pig iron from iron ore concentrate | Carl-Lennart Axelsson | 1986-05-27 |