JOHNSON CHUANG

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GUANGDONG PROVINCE, CN

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Patents Grantslast 30 patents

Information Patent Grant
Anti-electric shock power socket
- Patent number 8,864,505
- Issue date Oct 21, 2014
- Dongguan KO TEC Electrical Utensils Inc.
- Johnson Chuang
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
ANTI-ELECTRIC SHOCK POWER SOCKET
- Publication number 20130295789
- Publication date Nov 7, 2013
- DONGGUAN KO TEC ELECTRICAL UTENSILS INC.
- JOHNSON CHUANG
- H01 - BASIC ELECTRIC ELEMENTS