Dong Sick Chang

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Busan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Enhanced shoelaces for maintaining tension with new process for man...
- Patent number 6,968,602
- Issue date Nov 29, 2005
- Trion Corporation
- James Jong Lee
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Novel enhanced shoelaces for maintaining tension with new process f...
- Publication number 20050125971
- Publication date Jun 16, 2005
- TRION CORP.
- James Jong Lee
- A43 - FOOTWEAR