Kai-Lo Yu

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Taipei City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Uninterrupted ink marker
- Patent number 7,445,395
- Issue date Nov 4, 2008
- Kai-Lo Yu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Uninterrupted ink marker
- Publication number 20070081849
- Publication date Apr 12, 2007
- Kai-Lo Yu
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES