Tsai-Ten Yang

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Tainan City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Wave generating aquatic toy device
- Patent number 5,213,540
- Issue date May 25, 1993
- Tsai-Ten Yang
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sound activated water spouting toy
- Patent number 5,018,288
- Issue date May 28, 1991
- Tsai-Ten Yang
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS