Qingquan Liu

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Foshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Ventilation device
- Patent number 8,876,582
- Issue date Nov 4, 2014
- Panasonic Ecology Systems Guangdong Co., Ltd.
- Shouyong Gao
- F24 - HEATING RANGES VENTILATING

Patents Applicationslast 30 patents

Information Patent Application
VENTILATION DEVICE
- Publication number 20120164936
- Publication date Jun 28, 2012
- Panasonic Ecology Systems Guangdong Co., Ltd.
- Shouyong Gao
- F24 - HEATING RANGES VENTILATING