Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4213780 | Method of introducing calcium and calcium alloys into a vessel of molten metal | — | 1980-07-22 |
| 4211554 | Method of introducing addition agents into a vessel of molten metal | — | 1980-07-08 |
| 4183507 | System for introducing addition agents into vessel of molten metal | — | 1980-01-15 |