Kelvin Yip

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Coffee maker
- Patent number 7,032,502
- Issue date Apr 25, 2006
- Simatelex Manufactory Co. Ltd.
- Chi Tong Chan
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Coffee maker
- Publication number 20040060448
- Publication date Apr 1, 2004
- Chi Tong Chan
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...