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Pipe liner composition
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Patent number 5,385,173
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Issue date Jan 31, 1995
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American Pipe & Plastics, Inc.
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Joseph L. Gargiulo
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E03 - WATER SUPPLY SEWERAGE
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Integral multi-duct conduit section
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Patent number 5,372,388
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Issue date Dec 13, 1994
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American Pipe & Plastics, Inc.
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Joseph L. Gargiulo
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method for installing a pipe liner
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Patent number 5,346,658
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Issue date Sep 13, 1994
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American Pipe & Plastics, Inc.
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Joseph L. Gargiulo
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method for installing a pipe liner
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Patent number 5,213,727
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Issue date May 25, 1993
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American Pipe & Plastics, Inc.
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Joseph L. Gargiulo
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL