IL-WON TECH CO., LTD

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Hwaseong-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing, installing, and exchanging rubber seal for...
- Patent number 7,455,473
- Issue date Nov 25, 2008
- Il-Won Tech Co., Ltd.
- Doo Sung Lee
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

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Patents Applicationslast 30 patents

Information Patent Application
Emergency guidance lamp system for guiding to nearest exit in the e...
- Publication number 20090066522
- Publication date Mar 12, 2009
- IL-WON TECH CO., LTD
- Doo Sung Lee
- G08 - SIGNALLING
Information Patent Application
Earthquake-resistant flat expansion joint using hinge
- Publication number 20090064602
- Publication date Mar 12, 2009
- IL-WON TECH CO., LTD
- Doo Sung Lee
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES