Qianyi LIU

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Guangzhou, CN

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Patents Grantslast 30 patents

Information Patent Grant
Joint structure for assembling floorboards
- Patent number 9,885,186
- Issue date Feb 6, 2018
- Qianyi Liu
- E04 - BUILDING
Information Patent Grant
Joint structure for assembling floorboards
- Patent number 9,371,653
- Issue date Jun 21, 2016
- Qianyi Liu
- E04 - BUILDING

Patents Applicationslast 30 patents

Information Patent Application
JOINT STRUCTURE FOR ASSEMBLING FLOORBOARDS
- Publication number 20160281369
- Publication date Sep 29, 2016
- Qianyi LIU
- E04 - BUILDING
Information Patent Application
JOINT STRUCTURE FOR ASSEMBLING FLOORBOARDS
- Publication number 20130305650
- Publication date Nov 21, 2013
- Qianyi LIU
- E04 - BUILDING