Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6099301 | Feed apparatus for batch preparation feed mixture for feeding into smelting furnace | Pekka Niemelä, Risto M. Heikkila, Martti Jankkila, Launo L. Lilja | 2000-08-08 |