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Pipe lining
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Patent number 6,539,978
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Issue date Apr 1, 2003
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Lattice Intellectual Property Ltd.
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Brian Edward McGuire
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for the lining of existing pipes
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Patent number 6,240,612
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Issue date Jun 5, 2001
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British Gas plc
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Brian Edward McGuire
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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-
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Method for the lining of existing pipes
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Patent number 5,214,835
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Issue date Jun 1, 1993
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British Gas PLC
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Brian E. McGuire
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Trencher
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Patent number 5,144,760
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Issue date Sep 8, 1992
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British GAS plc
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Brian E. McGuire
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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