Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394164 | Process for removal of harmful impurities from metallurgical sulphide melts | Juho K. Makinen | 1983-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394164 | Process for removal of harmful impurities from metallurgical sulphide melts | Juho K. Makinen | 1983-07-19 |