Po-Yu Hung

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Kaohsiung County, TW

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Patents Grantslast 30 patents

Information Patent Grant
Open-end wrench and method of manufacturing the same
- Patent number 8,459,152
- Issue date Jun 11, 2013
- Metal Industries Research & Development Centre
- Chi-Wah Keong
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

Information Patent Application
OPEN-END WRENCH AND METHOD OF MANUFACTURING THE SAME
- Publication number 20120167724
- Publication date Jul 5, 2012
- Chi-Wah KEONG
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS