Woojin Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6887555 Floor covering based on perforated PVC sheetExpiredFeb 22, 02May 03, 05[B32B]
6733888 Floor-covering material using phenol composite resinExpiredOct 02, 02May 11, 04[B32B]

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