Jay Chang

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Sijhih City, TW

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Patents Applicationslast 30 patents

Information Patent Application
Versatile laser pointer and mouse combination
- Publication number 20070247427
- Publication date Oct 25, 2007
- Chaochi Huang
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Multi-beam laser level
- Publication number 20060283029
- Publication date Dec 21, 2006
- Der-Shyang Jan
- G01 - MEASURING TESTING