Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700422 | Molten metal supply device | Hirotake Usui, Shin Nitta | 1997-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700422 | Molten metal supply device | Hirotake Usui, Shin Nitta | 1997-12-23 |