Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6443796 | Smart blocks | — | 2002-09-03 |
| 6227931 | Electronic interactive play environment for toy characters | — | 2001-05-08 |
| 5637181 | Toy fabrication device for decorative discs | Paul Mulhauser, Paul Kotowski | 1997-06-10 |