Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837985 | Revolving grinding tool | — | 1989-06-13 |
| 4794693 | Slider for a cutter knife | Masanobu Ihata, Yoshihiko Yoshimoto | 1989-01-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4837985 | Revolving grinding tool | — | 1989-06-13 |
| 4794693 | Slider for a cutter knife | Masanobu Ihata, Yoshihiko Yoshimoto | 1989-01-03 |