Jin Hee Ahn

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Steel structure including pre-stressing brackets for improving load...
- Patent number 8,621,797
- Issue date Jan 7, 2014
- Yooho Development & Construction Co. Ltd.
- Sang Hyo Kim
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

Information Patent Application
STEEL STRUCTURE INCLUDING PRE-STRESSING BRACKETS FOR IMPROVING LOAD...
- Publication number 20130097947
- Publication date Apr 25, 2013
- Sang Hyo Kim
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES