Wai H. Chow

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Kowloon, HK

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Patents Grantslast 30 patents

Information Patent Grant
Toy vehicle with changeable appearance as function of direction of...
- Patent number 5,580,296
- Issue date Dec 3, 1996
- Echo Toys Ltd.
- Wai H. Chow
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Track support assembly for toy vehicles
- Patent number 5,456,410
- Issue date Oct 10, 1995
- Echo Toys Ltd.
- Wai H. Chow
- A63 - SPORTS GAMES AMUSEMENTS