Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D394286 | Spring-driven motor for construction toy | Joel I. Glickman | 1998-05-12 |
| 5505463 | Game toy | Asayoshi Asami | 1996-04-09 |
| 4856777 | Simulator toy | Hiroyuki Shimizu | 1989-08-15 |
| 4278253 | Game having a spirally traversing channel | — | 1981-07-14 |