Ng Wing Kwong

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Toy electronic game with flexible interactive play section
- Patent number 5,947,478
- Issue date Sep 7, 1999
- David Chu Ki Kwan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Interactive light-operated toy shooting game
- Patent number 5,741,185
- Issue date Apr 21, 1998
- Toymax Inc.
- David Chu Ki Kwan
- A63 - SPORTS GAMES AMUSEMENTS