Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D277877 | Activity toy | — | 1985-03-05 |
| D277878 | Activity toy | — | 1985-03-05 |
| D277686 | Toy block | Toshio Tsuchikura | 1985-02-19 |
| D272256 | Toy block | Toshio Tsuchikura | 1984-01-17 |
| D272255 | Toy block | Toshio Tsuchikura | 1984-01-17 |
| D272167 | Toy block | Toshio Tsuchikura | 1984-01-10 |
| 4375139 | Toy arrangement with independently rotatable wheel means | — | 1983-03-01 |
| 4361980 | Rolling toy and axle arrangement | — | 1982-12-07 |
| 4306373 | Interconnecting toy block arrangement | Toshio Tsuchikura | 1981-12-22 |
| 4305221 | Block of members having interior interlock means | — | 1981-12-15 |
| 4246718 | Interconnecting toy block arrangement | — | 1981-01-27 |