Wai Ming Wong

Follow

Person

Tai Po, HK

People

Patents Grantslast 30 patents

Information Patent Grant
Apparatus for preventing unintended or premature release of liquid...
- Patent number 7,861,645
- Issue date Jan 4, 2011
- Electrical & Electronics Limited
- Kin Fai Yuen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Apparatus for preventing unintended or premature release of liquid...
- Publication number 20070084352
- Publication date Apr 19, 2007
- Kin Fai Yuen
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...