Wei Zan

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Beijing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Liquid storage device
- Patent number 8,794,257
- Issue date Aug 5, 2014
- Beijing Sevenstar Electronics Co., Ltd.
- Jinqun He
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
LIQUID STORAGE DEVICE
- Publication number 20130174919
- Publication date Jul 11, 2013
- BEIJING SEVENSTAR ELECTRONICS CO.,LTD.
- Jinqun He
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC