Yat Chuen Wong

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Three-in-one sofa bed
- Patent number 9,259,086
- Issue date Feb 16, 2016
- Cheung Sing Wong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Flow-through heater
- Patent number 8,005,353
- Issue date Aug 23, 2011
- Melitta Haushaltsprodukte GmbH & Co. KG
- Andreas Sachtleben
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
THREE-IN-ONE SOFA BED
- Publication number 20140237717
- Publication date Aug 28, 2014
- Cheung Sing Wong
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Application
Flow-through heater
- Publication number 20080212954
- Publication date Sep 4, 2008
- Melitta Haushaltsprodukte GmbH & Co. KG
- Andreas Sachtleben
- F24 - HEATING RANGES VENTILATING