Pi-Chi Chen

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Lai Tsuo, Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Rotary tool carrier assembly
- Patent number 5,379,885
- Issue date Jan 10, 1995
- Pi-Chi Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Multipurpose handle grip for holding electric tools
- Patent number 4,820,090
- Issue date Apr 11, 1989
- Pi-Chi Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS