Yao-Jen Iai

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Cingshuei Township, TW

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Patents Grantslast 30 patents

Information Patent Grant
Cutter assembly and electric pencil sharpener
- Patent number 8,205,649
- Issue date Jun 26, 2012
- SDI Corporation
- Long-Jyi Yeh
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES