Sunmin Lu

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Yueqing, CN

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Patents Grantslast 30 patents

Information Patent Grant
Electrical safety receptacle with a cross-connection circuit
- Patent number 7,884,292
- Issue date Feb 8, 2011
- General Protecht Group, Inc.
- Yulin Zhang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ELECTRICAL SAFETY RECEPTACLE WITH A CROSS-CONNECTION CIRCUIT
- Publication number 20100216326
- Publication date Aug 26, 2010
- General Protecht Group, Inc.
- Yulin Zhang
- H01 - BASIC ELECTRIC ELEMENTS