Fa-Yun Zhang

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Guang Dong Province, CN

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Patents Grantslast 30 patents

Information Patent Grant
Video baby monitor system with battery back-up
- Patent number 7,774,032
- Issue date Aug 10, 2010
- Graco Children's Products Inc.
- Jeffrey Swan
- G08 - SIGNALLING
Information Patent Grant
Portable parent unit for video baby monitor system
- Patent number 7,696,888
- Issue date Apr 13, 2010
- Graco Children's Products Inc.
- Jeffrey Swan
- G08 - SIGNALLING