Tae Min Um

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Seo-gu, KR

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Patents Grantslast 30 patents

Information Patent Grant
Cutting tool and method for manufacturing the cutting tool
- Patent number 7,497,212
- Issue date Mar 3, 2009
- Ehwa Diamond Industrial Co., Ltd.
- Jong Suk Choi
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Cutting tool and method for manufacturing the cutting tool
- Publication number 20060120811
- Publication date Jun 8, 2006
- EHWA DIAMOND INDUSTRIAL CO., LTD.
- Jong Suk Choi
- B28 - WORKING CEMENT, CLAY, OR STONE