Sung-Hoon CHUNG

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IRVINE, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Grinding tool
- Patent number 9,925,645
- Issue date Mar 27, 2018
- EHWA DIAMOND INDUSTRIAL CO., LTD.
- Young-Choul Song
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
GRINDING TOOL
- Publication number 20160221155
- Publication date Aug 4, 2016
- EHWA DIAMOND INDUSTRIAL CO., LTD.
- Young-Choul SONG
- B24 - GRINDING POLISHING