Man Su Choi

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Ansan-Shi, KR

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Patents Grantslast 30 patents

Information Patent Grant
Variable length pencil
- Patent number 6,607,324
- Issue date Aug 19, 2003
- Man Su Choi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Variable length pencil
- Publication number 20030095825
- Publication date May 22, 2003
- Man Su Choi
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES