Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405364 | Process of refining iron in oxygen converters with additions of materials containing sodium carbonate | Bruno Costa | 1983-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4405364 | Process of refining iron in oxygen converters with additions of materials containing sodium carbonate | Bruno Costa | 1983-09-20 |