Qing-Yao Cai

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Taichung, TW

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Patents Grantslast 30 patents

Information Patent Grant
Foldable frame assembly for suspending a machine above a ground sur...
- Patent number 7,222,865
- Issue date May 29, 2007
- P&F Brother Industrial Corporation
- Yu-Tien Chen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

Information Patent Application
Foldable frame assembly for suspending a machine above a ground sur...
- Publication number 20060075943
- Publication date Apr 13, 2006
- P & F BROTHER INDUSTRIAL CORPORATION
- Yu-Tien Chen
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS