Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9598748 | Method for producing ferroalloy containing nickel | Pekka Niemelä, Helge Krogerus | 2017-03-21 |
| 8696789 | Method for producing ferroalloy containing nickel | Pekka Niemelä | 2014-04-15 |