Ping Sheng Zhang

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Hoffman Estates, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Two-ply flooring having a cross-grain bottom ply
- Patent number 7,152,379
- Issue date Dec 26, 2006
- Hangzhou Dazhuang Floor Co., Ltd.
- Hai Lin
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

Information Patent Application
Two-ply flooring having a cross-grain bottom ply
- Publication number 20020152701
- Publication date Oct 24, 2002
- Ping Sheng Zhang
- B32 - LAYERED PRODUCTS