Sam Yun Sum Wong

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Hong Kong, HK

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Patents Grantslast 30 patents

Information Patent Grant
Electrical switch
- Patent number 6,825,430
- Issue date Nov 30, 2004
- Memie Mei Mei Wong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical switch
- Patent number D495666
- Issue date Sep 7, 2004
- Memie Mei Mei Wong
- D13 - Equipment for production, distribution, or transformation of energy

Patents Applicationslast 30 patents

Information Patent Application
Electrical rotary switch
- Publication number 20070235314
- Publication date Oct 11, 2007
- Memie Mei Mei Wong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Electrical switch and fixed contact therefor
- Publication number 20070175742
- Publication date Aug 2, 2007
- Memie Mei Mei Wong
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTRICAL CABLE CONNECTOR
- Publication number 20060128205
- Publication date Jun 15, 2006
- Memie Mei Mei Wong
- H01 - BASIC ELECTRIC ELEMENTS