Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626693 | Method and apparatus for quenching a tubular workpiece | Yugo Yao, Tetsukazu Fukuhara, Junichi Kato | 1997-05-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5626693 | Method and apparatus for quenching a tubular workpiece | Yugo Yao, Tetsukazu Fukuhara, Junichi Kato | 1997-05-06 |