Woojin Corporation

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Patents Grantslast 30 patents

Information 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
Information 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-...