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Steam cure of cured in place liner
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Patent number 7,360,559
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Issue date Apr 22, 2008
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Insituform (Netherlands) B.V.
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Franklin Thomas Driver
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Steam cure of cured in place liner
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Patent number 7,108,456
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Issue date Sep 19, 2006
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Insituform (Netherlands) B.V.
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Franklin Thomas Driver
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Corporation stop assembly
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Patent number 5,737,822
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Issue date Apr 14, 1998
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Insituform (Netherlands) B.V.
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Franklin T. Driver
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Corporation stop assembly
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Patent number 5,655,283
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Issue date Aug 12, 1997
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Insituform (Netherlands) B.V.
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Franklin T. Driver
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...