Sung-Hoon Chung

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Irvine, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Reaming shell for mining
- Patent number 9,115,551
- Issue date Aug 25, 2015
- EHWA Diamond Industrial Co., Ltd.
- Ki-Ho Kim
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
REAMING SHELL FOR MINING
- Publication number 20130087390
- Publication date Apr 11, 2013
- Ki-Ho Kim
- E21 - EARTH DRILLING MINING