Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491952 | Electric furnace dome | Matti E. Honkaniemi, Martti Jankkila, Aimo Nurminen, Matias Virta, Helge Krogerus +3 more | 1985-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491952 | Electric furnace dome | Matti E. Honkaniemi, Martti Jankkila, Aimo Nurminen, Matias Virta, Helge Krogerus +3 more | 1985-01-01 |