YouQing Li

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ShenZhen City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Sliding and rotating apparatus and device having same
- Patent number 8,947,870
- Issue date Feb 3, 2015
- CBY Holdings, LLC
- YouQing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SLIDING AND ROTATING APPARATUS AND DEVICE HAVING SAME
- Publication number 20090231785
- Publication date Sep 17, 2009
- YouQing Li
- H04 - ELECTRIC COMMUNICATION TECHNIQUE