Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5181955 | Method and apparatus for heating and smelting pulverous solids and for volatilizing the volatile ingredients thereof in a suspension smelting furnace | Jukka Laulumaa, Launo L. Lilja | 1993-01-26 |