Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4708640 | Apparatus for batch preparation and feeding into the smelting process | Matti E. Honkaniemi, Lauri A. Mustikka, Martti Jankkila, Risto M. Heikkila, Launo L. Lilja | 1987-11-24 |
| 4705474 | Method and apparatus for batch preparation and feeding into the smelting process | Matti E. Honkaniemi, Lauri A. Mustikka, Martti Jankkila, Risto M. Heikkila, Launo L. Lilja | 1987-11-10 |
| 4424959 | Brickwork construction | Frans H. Tuovinen, Aimo Nurminen, Lauri A. Mustikka, Matti Virta | 1984-01-10 |