Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5947478 | Toy electronic game with flexible interactive play section | David Chu Ki Kwan | 1999-09-07 |
| 5741185 | Interactive light-operated toy shooting game | David Chu Ki Kwan, Steven Lebensfeld, Carmine Russo, Frank J. Landi, Jr. | 1998-04-21 |