Yau King CHOY

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Quarry Bay, HK

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Patents Grantslast 30 patents

Information Patent Grant
Tube connector for facilitating a covered connection between two or...
- Patent number 9,261,122
- Issue date Feb 16, 2016
- Laudex Company Limited
- Yau King Choy
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Tube Connector for Facilitating a Covered Connection between Two or...
- Publication number 20150008204
- Publication date Jan 8, 2015
- Yau King CHOY
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...