Johnson Chang

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Wu-Jih Shiang, TW

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Patents Applicationslast 30 patents

Information Patent Application
MOTOR OF PNEUMATIC TOOL
- Publication number 20060288864
- Publication date Dec 28, 2006
- MIGHTY SEVEN INTERNATIONAL CO., LTD.
- Johnson Chang
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Application
CLUTCH FOR POWER TOOL
- Publication number 20060234798
- Publication date Oct 19, 2006
- MIGHTY SEVEN INTERNATIONAL CO., LTD.
- Johnson Chang
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...