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Pipe coupling
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Patent number 6,168,210
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Issue date Jan 2, 2001
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M & FC Holding Company, Inc.
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Edwin A. Bird
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of making a plastic pipe adaptor
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Patent number 6,131,265
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Issue date Oct 17, 2000
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M & FC Holding Company
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Edwin A. Bird
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Method of stiffening a flexible pipe
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Patent number 6,052,888
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Issue date Apr 25, 2000
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M & FC Holding Company, Inc.
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Edwin A. Bird
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Plastic pipe adaptor for a mechanical joint
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Patent number 5,967,568
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Issue date Oct 19, 1999
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M & FC Holding Company, Inc.
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Edwin A. Bird
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe collar
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Patent number 5,605,357
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Issue date Feb 25, 1997
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M&FC Holding Co.
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Edwin A. Bird
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pipe restraining member
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Patent number 5,190,324
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Issue date Mar 2, 1993
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M & FC Holding Company, Inc.
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Edwin A. Bird
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...