Shui-Chuan Chiang

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Hsin Chu, TW

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Patents Grantslast 30 patents

Information Patent Grant
Optical pen with page-scrolling feature
- Patent number D549229
- Issue date Aug 21, 2007
- Aiptek International Inc.
- Shui-Chuan Chiang
- D14 - Recording, communication, or information retrieval equipment