Wen-Chwan Hwang

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Sinhua Town, TW

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Patents Grantslast 30 patents

Information Patent Grant
Solar tracking device with springs
- Patent number 7,607,427
- Issue date Oct 27, 2009
- Kun Shan University
- Jwo-Hwu Yi
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
SOLAR TRACKING DEVICE WITH SPRINGS
- Publication number 20070012311
- Publication date Jan 18, 2007
- Jwo-Hwu Yi
- F24 - HEATING RANGES VENTILATING