Wenhui Hua

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
Emergency lighting and evacuation guidance system powered by medley...
- Patent number 9,024,774
- Issue date May 5, 2015
- Shenzhen Guangan Fire-Fighting & Decoration Engineering Co., Ltd.
- Shaobin Li
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
Fire Detection and Surveillance System
- Publication number 20140293049
- Publication date Oct 2, 2014
- Shenzhen Guangan Fire-Fighting & Decoration Engineering Co., LTD
- Shaobin LI
- G08 - SIGNALLING
Information Patent Application
Emergency Lighting and Evacuation Guidance System Powered by Medley...
- Publication number 20140184420
- Publication date Jul 3, 2014
- Shenzhen Guangan Fire-Fighting & Decoration Engineering Co., LTD
- Shaobin LI
- F21 - LIGHTING