Hung-Chen Lee

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Taipei, TW

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Patents Grantslast 30 patents

Information Patent Grant
Reflective pavement marker
- Patent number D678099
- Issue date Mar 19, 2013
- Techeye Optics Technologies Co., Ltd.
- Hung-Chen Lee
- D10 - Measuring, testing, or signalling instruments
Information Patent Grant
Reflective pavement marker
- Patent number D653139
- Issue date Jan 31, 2012
- Techeye Optics Technologies Co., Ltd.
- Hung-Chen Lee
- D10 - Measuring, testing, or signalling instruments