Derek Chen

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Taichung Hsien, TW

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Patents Grantslast 30 patents

Information Patent Grant
Tool storage unit capable of firm retention of a socket
- Patent number 6,695,142
- Issue date Feb 24, 2004
- Stanley Chiro International, Ltd.
- Derek Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Tool storage unit capable of firm retention of a socket
- Publication number 20030205493
- Publication date Nov 6, 2003
- Stanley Chiro International Ltd.
- Derek Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS