Bong-jun Chang

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Ulsan, KR

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Patents Grantslast 30 patents

Information Patent Grant
Thrust fin for ships
- Patent number 7,806,067
- Issue date Oct 5, 2010
- Hyundai Heavy Industries Co., Ltd.
- Keh-Sik Min
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT

Patents Applicationslast 30 patents

Information Patent Application
Thrust Fin for Ships
- Publication number 20080066669
- Publication date Mar 20, 2008
- Keh-Sik Min
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT