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Hyeong-Keor Yoo
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Bucheon-City, KR
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Patents Grants
last 30 patents
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Patent Grant
Floor covering based on perforated PVC sheet
Patent number
6,887,555
Issue date
May 3, 2005
Woojin Corporation
Je-Suk Woo
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Patent Grant
Floor-covering material using phenol composite resin
Patent number
6,733,888
Issue date
May 11, 2004
Woojin Corporation
Je-suk Woo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Patents Applications
last 30 patents
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Patent Application
Floor-covering material using phenol composite resin
Publication number
20030203213
Publication date
Oct 30, 2003
Je-Suk Woo
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...