Chunwang Zhang

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Shenzhen, CN

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Patents Grantslast 30 patents

Information Patent Grant
LED display screen case
- Patent number 9,161,471
- Issue date Oct 13, 2015
- Unilumin Group Co., Ltd.
- Mingfeng Lin
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Locking connection device, LED box and LED display screen
- Patent number 8,733,987
- Issue date May 27, 2014
- Unilumin Group Co., Ltd.
- Mingfeng Lin
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

Information Patent Application
LED DISPLAY SCREEN CASE
- Publication number 20140043773
- Publication date Feb 13, 2014
- UNILUMIN GROUP CO., LTD.
- Mingfeng Lin
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
LOCKING CONNECTION DEVICE, LED BOX AND LED DISPLAY SCREEN
- Publication number 20130010408
- Publication date Jan 10, 2013
- UNILUMIN GROUP CO., LTD.
- Mingfeng Lin
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES