Kam Yuen Ricky Yeung

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Hong Kong, CN

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Patents Grantslast 30 patents

Information Patent Grant
Roughness insulated soft clothing connector system
- Patent number 7,918,711
- Issue date Apr 5, 2011
- LEADTHEWAY Hook & Eye Tape Limited (Hong Kong Limited Company)
- Kam Yuen Ricky Yeung
- A44 - HABERDASHERY JEWELLERY

Patents Applicationslast 30 patents

Information Patent Application
Roughness insulated sheath covering
- Publication number 20110283489
- Publication date Nov 24, 2011
- Kam Yuen Ricky Yeung
- A44 - HABERDASHERY JEWELLERY
Information Patent Application
Roughness insulated soft clothing connector system
- Publication number 20090300824
- Publication date Dec 10, 2009
- Kam Yuen Ricky Yeung
- A44 - HABERDASHERY JEWELLERY