Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869088 | Ring shaping apparatus | — | 1989-09-26 |
| 4823580 | Wheel-body forming apparatus | — | 1989-04-25 |
| 4823581 | Bearing wheel body forming apparatus | Hideo Kadotani | 1989-04-25 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869088 | Ring shaping apparatus | — | 1989-09-26 |
| 4823580 | Wheel-body forming apparatus | — | 1989-04-25 |
| 4823581 | Bearing wheel body forming apparatus | Hideo Kadotani | 1989-04-25 |