Kwan Ho Im

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Chicago, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
High-performance and high-efficiency rolled fin tube and forming di...
- Patent number 7,418,848
- Issue date Sep 2, 2008
- Fin Tube Technology Co., Ltd.
- Kwan Ho Im
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

Information Patent Application
High-performance and high-efficiency rolled fin tube and forming di...
- Publication number 20070113609
- Publication date May 24, 2007
- Kwan Ho Im
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
High-performance and high-efficiency rolled fin tube and forming di...
- Publication number 20050269070
- Publication date Dec 8, 2005
- FINTUBE TECHNOLOGY CO., LTD.
- Kwan Ho Im
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...