Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4194730 | Molten metal handling vessels | Chiaki Matsumoto, Masaru Okawa | 1980-03-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4194730 | Molten metal handling vessels | Chiaki Matsumoto, Masaru Okawa | 1980-03-25 |