Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287747 | Process of closed extrusion shaping of a metal rod material and an apparatus therefor | Hajime Koshimaru | 1981-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4287747 | Process of closed extrusion shaping of a metal rod material and an apparatus therefor | Hajime Koshimaru | 1981-09-08 |