Sin-Heng Wang

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Taichung City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Socket wrench with an energy-saving function
- Patent number 8,720,310
- Issue date May 13, 2014
- Yen-Hui Wang
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Socket wrench with an energy-saving function
- Patent number 8,516,927
- Issue date Aug 27, 2013
- Yen-Hui Wang
- B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Socket Wrench with an Energy-Saving Function
- Publication number 20130291690
- Publication date Nov 7, 2013
- Yen-Hui Wang
- B60 - VEHICLES IN GENERAL