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Pressure-expandable conduit liner
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Patent number 5,931,199
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Issue date Aug 3, 1999
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Bay Mills Ltd.
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Mark Kittson
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Pressure-expandable conduit liner
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Patent number 5,911,246
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Issue date Jun 15, 1999
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Bay Mills, Ltd.
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Mark Kittson
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Pressure-expandable conduit liner
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Patent number 5,873,391
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Issue date Feb 23, 1999
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Bay Mills Ltd.
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Mark Kittson
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Pressure-expandable conduit liner
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Patent number 5,836,357
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Issue date Nov 17, 1998
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Bay Mills Ltd.
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Mark Kittson
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL