ZHONGLIANG ZHENG

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HANGZHOU, CN

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Patents Grantslast 30 patents

Information Patent Grant
Power unit for LED display
- Patent number 7,967,613
- Issue date Jun 28, 2011
- Thinksign Optoelectronics, Inc.
- Zhongliang Zheng
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Power unit for LED display
- Publication number 20110111636
- Publication date May 12, 2011
- Isign display systems LLC (Hangzhou)
- ZHONGLIANG ZHENG
- H01 - BASIC ELECTRIC ELEMENTS