Song Zhengxing

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Zhangjiagang City, CN

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Patents Grantslast 30 patents

Information Patent Grant
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- Patent number 7,322,159
- Issue date Jan 29, 2008
- Tru Woods Limited
- Norman Stone
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
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- Patent number 7,155,871
- Issue date Jan 2, 2007
- Tru Woods Limited
- Norman Stone
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
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- Publication number 20070175137
- Publication date Aug 2, 2007
- Tru Woods Limited
- Norman Stone
- B32 - LAYERED PRODUCTS