Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874353 | Grooved pulley and manufacturing method therefor | Ken Matsuoka | 1989-10-17 |
| 4850234 | Auxiliary drive apparatus | — | 1989-07-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874353 | Grooved pulley and manufacturing method therefor | Ken Matsuoka | 1989-10-17 |
| 4850234 | Auxiliary drive apparatus | — | 1989-07-25 |