ER-WE-PA DAVIS-STANDARD GMBH

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5429320 Device for continuously winding webs of fabricExpiredSep 24, 93Jul 04, 95[B65H]
5223276 Multilayer coextrusion apparatusExpiredApr 29, 91Jun 29, 93[B29C]
5223776 Six-degree virtual pivot controllerExpiredDec 31, 90Jun 29, 93[F16D, G05G]
4753587 Extrusion die for the production of a flat sheet of thermoplastic materialExpiredAug 21, 87Jun 28, 88[B29C]

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