Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817972 | Collet chuck | — | 1989-04-04 |
| 4799838 | Milling cutter | Mitsuru Umeda, Hiromitsu Iwakoshi | 1989-01-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4817972 | Collet chuck | — | 1989-04-04 |
| 4799838 | Milling cutter | Mitsuru Umeda, Hiromitsu Iwakoshi | 1989-01-24 |