Yongchul Kim

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Changwon-city, KR

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Patents Grantslast 30 patents

Information Patent Grant
Copper-free wire
- Patent number 6,696,170
- Issue date Feb 24, 2004
- Kiswel Ltd.
- Yongchul Kim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
Copper-free wire
- Publication number 20030015511
- Publication date Jan 23, 2003
- KISWEL LTD
- Yongchul Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...