Siu Ching Fung

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Waterproof sole with high air and vapor permeability
- Patent number 9,282,782
- Issue date Mar 15, 2016
- WEALTH LEADER ENTERPRISE LTD.
- Wai Yip Ko
- A43 - FOOTWEAR

Patents Applicationslast 30 patents

Information Patent Application
WATERPROOF SOLE WITH HIGH AIR AND VAPOR PERMEABILITY
- Publication number 20120266494
- Publication date Oct 25, 2012
- Wealth Leader Enterprise Ltd.
- Wai Yip KO
- A43 - FOOTWEAR