HSIN-TUNG CHENG

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable wrench
- Patent number 9,248,554
- Issue date Feb 2, 2016
- Hsin-Tung Cheng
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
ADJUSTABLE WRENCH
- Publication number 20140076112
- Publication date Mar 20, 2014
- HSIN-TUNG CHENG
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS