Cheng-Yu Liu

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Yongkang City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Desk lamp with a separable magnifier
- Patent number 8,002,432
- Issue date Aug 23, 2011
- Far East University
- Yu-Gang Chen
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
DESK LAMP WITH A SEPARABLE MAGNIFIER
- Publication number 20090009891
- Publication date Jan 8, 2009
- Yu-Gang CHEN
- G02 - OPTICS