Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808045 | End mill with throw-away tip | Osamu Tsujimura, Takayoshi Saito, Tatsuo Arai | 1989-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4808045 | End mill with throw-away tip | Osamu Tsujimura, Takayoshi Saito, Tatsuo Arai | 1989-02-28 |