T. L. Duan

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Swimming shoe
- Patent number 5,087,217
- Issue date Feb 11, 1992
- C. T. Tuan
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Tire valve having an automatic pressure release device
- Patent number 5,054,511
- Issue date Oct 8, 1991
- C. T. Tuan
- B60 - VEHICLES IN GENERAL