CARL FREUDENBERG, A GERMAN CORP.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5236770 Nonwoven laminateExpiredMay 13, 92Aug 17, 93[B32B]
5158984 Method of recovering polyvinyl chloride from solvent-containing waste PVC pastesExpiredMar 30, 92Oct 27, 92[C08J]
4681306 Two chamber engine mount with hydraulic dampingExpiredMar 25, 85Jul 21, 87[B60K, F16F]
4581286 Artificial split suede leather and a process for producing sameExpiredApr 30, 85Apr 08, 86[B32B]
4553763 Seal ring having an axis parallel intermediate ringExpiredMar 01, 84Nov 19, 85[F16J]

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