Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6746298 | Track structure for construction toy set | Kenneth Weibel | 2004-06-08 |
| 6630635 | Universal contact switch | — | 2003-10-07 |
| 6581931 | Game board structure for construction toy set | Brian Moletsky | 2003-06-24 |
| 6573465 | Contact switch | — | 2003-06-03 |
| 6460527 | Toy projectile system | — | 2002-10-08 |