Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4478392 | Method for preventing the inclusion of slag into the molten steel taped from a converter | — | 1984-10-23 |
| 4431169 | Method and apparatus for preventing the inclusion of slag into the molten steel tapped from a converter | Sueki Kubo | 1984-02-14 |