Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4203763 | Method of manufacturing a lead alloy steel and a steel made according to the method | Karl-Erik berg, Harry Bertheussen | 1980-05-20 |
| 4190435 | Process for the production of ferro alloys | Rune H. Lindstrom, Per-Ake Lundstrom, Lars-Gunnar Norberg | 1980-02-26 |