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Quick-disconnect fluid coupling
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Patent number 5,540,250
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Issue date Jul 30, 1996
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Perfecting Coupling Company
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Randall J. Mullins
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Quick-action fluid coupling
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Patent number 5,255,714
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Issue date Oct 26, 1993
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Perfecting Services, Inc.
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Randall J. Mullins
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Quick-action fluid coupling
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Patent number 5,092,364
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Issue date Mar 3, 1992
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Perfecting Services, Inc.
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Randall J. Mullins
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...