Ralph Chen

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Hsin Tien City, TW

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Patents Grantslast 30 patents

Information Patent Grant
Antenna structure
- Patent number 8,259,031
- Issue date Sep 4, 2012
- Grand-Tek Technology Co., Ltd.
- Ralph Chen
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Antenna Structure
- Publication number 20100302124
- Publication date Dec 2, 2010
- Ralph Chen
- H01 - BASIC ELECTRIC ELEMENTS