Cheol-Ho Jeong

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Cheonan-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Automatic control device for padlock
- Patent number 9,799,463
- Issue date Oct 24, 2017
- METIS CO., LTD.
- Heung-Ryol Yoo
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
AUTOMATIC CONTROL DEVICE FOR PADLOCK
- Publication number 20160329169
- Publication date Nov 10, 2016
- METIS CO., LTD
- Heung-Ryol Yoo
- H01 - BASIC ELECTRIC ELEMENTS