Yeung Chung Wong

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Tuen Mun, HK

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Patents Grantslast 30 patents

Information Patent Grant
Toy vehicle programmed to follow a manually drawn path
- Patent number 6,632,122
- Issue date Oct 14, 2003
- Mattel, Inc.
- Daniel B. Klitsner
- A63 - SPORTS GAMES AMUSEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Toy vehicle programmed to follow a manually drawn path
- Publication number 20020111118
- Publication date Aug 15, 2002
- Daniel B. Klitsner
- A63 - SPORTS GAMES AMUSEMENTS