I-Su Chen

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Chang-Hwa, TW

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Patents Grantslast 30 patents

Information Patent Grant
Rotatable tool handle
- Patent number 8,826,782
- Issue date Sep 9, 2014
- Infar Industrial Co., Ltd.
- I-Su Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Pivot head wrenching tool
- Patent number 8,276,485
- Issue date Oct 2, 2012
- Infar Industrial Co., Ltd.
- I-Su Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS