P.C.E. Corp.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5066443 Dual barrier laminate processExpiredApr 11, 90Nov 19, 91[B29C]
4839131 Layer width controlExpiredSep 03, 87Jun 13, 89[B29C]
4789513 Coextrusion apparatus and processExpiredJun 05, 87Dec 06, 88[B29C]
4784815 Edge-laminating apparatus and processExpiredJun 05, 87Nov 15, 88[B29C]
4780258 Coextruded laminate having barrier layersExpiredJul 17, 87Oct 25, 88[B29C]
4280425 Method and apparatus for electro-pneumatic control of a stitching machineExpiredJul 09, 79Jul 28, 81[D05B]

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