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Fire resistant seal
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Patent number 4,643,461
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Issue date Feb 17, 1987
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Victaulic Company of America
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Lawrence W. Thau
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipeline system and method of assembly
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Patent number 4,601,495
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Issue date Jul 22, 1986
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Victaulic Company of America
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Maurice J. Webb
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Multiple key segmented pipe coupling
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Patent number 4,522,434
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Issue date Jun 11, 1985
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Victaulic Company of America
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Maurice J. Webb
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Bellows seal valve
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Patent number 4,166,607
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Issue date Sep 4, 1979
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Hoke, Inc.
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Maurice J. Webb
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...