Do-Ui Hong

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Gyunggi-do, KR

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Patents Grantslast 30 patents

Information Patent Grant
Drill bit
- Patent number 8,801,342
- Issue date Aug 12, 2014
- EHWA Diamond Industrial Co., Ltd.
- Jae-Hyun Hong
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DRILL BIT
- Publication number 20110033253
- Publication date Feb 10, 2011
- EHWA DIAMOND INDUSTRIAL CO., LTD.
- Jae-Hyun Hong
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR