Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5902373 | Sponge-iron powder | Erik Vännman, Lars-Ake Larsson, Michael Ostgathe | 1999-05-11 |
| 4913739 | Method for powder metallurgical production of structural parts of great strength and hardness from Si-Mn or Si-Mn-C alloyed steels | Aloisio Nelmo Klein, Rainer Oberacker | 1990-04-03 |