Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790466 | Pin tractor | Toshihiko Ueno | 1988-12-13 |
| 4735352 | Pin tractor | Toshihiko Ueno | 1988-04-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790466 | Pin tractor | Toshihiko Ueno | 1988-12-13 |
| 4735352 | Pin tractor | Toshihiko Ueno | 1988-04-05 |