Yulin WU

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Foshan, CN

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Patents Grantslast 30 patents

Information Patent Grant
Variable focuslamp
- Patent number 9,194,561
- Issue date Nov 24, 2015
- Guangdong Cosio Lighting Co., Ltd.
- Yulin Wu
- F21 - LIGHTING
Information Patent Grant
Combination of a bulb holder and a locking apparatus therefor
- Patent number 8,500,314
- Issue date Aug 6, 2013
- Guangdong Cosio Lighting Co., Ltd.
- Yulin Wu
- F21 - LIGHTING

Patents Applicationslast 30 patents

Information Patent Application
VARIABLE FOCUSLAMP
- Publication number 20150153025
- Publication date Jun 4, 2015
- GUANGDONG COSIO LIGHTING CO., LTD.
- Yulin WU
- F21 - LIGHTING
Information Patent Application
BULB HOLDER LOCKING APPARATUS
- Publication number 20090244914
- Publication date Oct 1, 2009
- Yulin WU
- F21 - LIGHTING
Information Patent Application
LIGHT FIXTURES WITH ADJUSTABLE ILLUMINATION ANGLE
- Publication number 20090237944
- Publication date Sep 24, 2009
- Yulin Wu
- F21 - LIGHTING
Information Patent Application
BULB WITH ADJUSTABLE RADIATION ANGLE
- Publication number 20090115304
- Publication date May 7, 2009
- Yulin WU
- F21 - LIGHTING