Shu-Chia Chang

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number D438235
- Issue date Feb 27, 2001
- Limax Electronics Co., Ltd.
- William H. K. Chu
- D18 - Printing and office machinery
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Calculator with perpetual calendar
- Patent number D437351
- Issue date Feb 6, 2001
- Limax Electronics Co., Ltd.
- Shu-Chia Chang
- D19 - Office supplies
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Alarm with perpetual calendar suitable for traveler
- Patent number D436992
- Issue date Jan 30, 2001
- Limax Electronics Co., Ltd.
- William H. K. Chu
- D19 - Office supplies
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- Patent number D433057
- Issue date Oct 31, 2000
- Limax Electronics Co., Ltd.
- William H. K. Chu
- D18 - Printing and office machinery