Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796924 | Coupling for multi-passage tube | Seiji Kosugi, Norio Ando | 1989-01-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4796924 | Coupling for multi-passage tube | Seiji Kosugi, Norio Ando | 1989-01-10 |