Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798615 | Process for making a filter for molten metal having a high melting point | Shigemi Fukuta, Toshinari Amakasu, Shoichi Yoshino | 1989-01-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4798615 | Process for making a filter for molten metal having a high melting point | Shigemi Fukuta, Toshinari Amakasu, Shoichi Yoshino | 1989-01-17 |