Wa Choi Cheung

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Shatin, CN

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable mattress and pillow system
- Patent number 7,107,642
- Issue date Sep 19, 2006
- JETTA Company Limited
- Sui-Kay Wong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...