Cheongyeol Cho

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Gyeongsangnam-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Dual external electrode fluorescent lamp and manufacturing method t...
- Patent number 8,568,185
- Issue date Oct 29, 2013
- Cheongyeol Cho
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
DUAL EXTERNAL ELECTRODE FLUORESCENT LAMP AND MANUFACTURING METHOD T...
- Publication number 20120056532
- Publication date Mar 8, 2012
- Cheongyeol Cho
- H01 - BASIC ELECTRIC ELEMENTS