Yaw-Hoing Wen

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Taipei Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Avoiding bill being extracted apparatus
- Patent number 6,932,208
- Issue date Aug 23, 2005
- International Games System Co., Ltd.
- Yaw-Hoing Wen
- G07 - CHECKING-DEVICES

Patents Applicationslast 30 patents

Information Patent Application
Optical recognition device and method thereof
- Publication number 20060034550
- Publication date Feb 16, 2006
- International Games System Co., Ltd
- Yaw-Hoing Wen
- G07 - CHECKING-DEVICES