Dongguan Qunsheng Powder Metallurgy Co., Ltd.

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Dongguan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Percussion toggle device of a percussion driller
- Patent number 7,775,294
- Issue date Aug 17, 2010
- Dongguan Qunsheng Powder Metallurgy Co., Ltd.
- Xi-Ren Ren
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
Percussion Toggle Device of a Percussion Driller
- Publication number 20090288850
- Publication date Nov 26, 2009
- Dongguan Qunsheng Powder Metallurgy Co., Ltd.
- Xi-Ren Ren
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Trademarklast 30 trademarks