Byung Ho Lee

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Pusan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Appearing and disappearing core type writing utility
- Patent number 6,481,909
- Issue date Nov 19, 2002
- Byung Ho Lee
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES

Patents Applicationslast 30 patents

Information Patent Application
Appearing and disappearing core type writing utility
- Publication number 20020039512
- Publication date Apr 4, 2002
- Byung Ho Lee
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES