Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858964 | T-joint for connecting branch pipe | — | 1989-08-22 |
| 4856624 | Slide type exhaust brake system | — | 1989-08-15 |
| 4795114 | Stationary clamping device | Katsushi Washizu | 1989-01-03 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858964 | T-joint for connecting branch pipe | — | 1989-08-22 |
| 4856624 | Slide type exhaust brake system | — | 1989-08-15 |
| 4795114 | Stationary clamping device | Katsushi Washizu | 1989-01-03 |