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Valve
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Patent number D345006
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Issue date Mar 8, 1994
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Whitey Co.
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Michael T. Gallagher
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D23 - Environmental heating and cooling
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Tube fitting
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Patent number 5,074,599
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Issue date Dec 24, 1991
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Crawford Fitting Co.
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Stephen R. Wirbel
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Valve body
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Patent number D312121
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Issue date Nov 13, 1990
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Whitney Co.
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Richard F. Wozniak
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D23 - Environmental heating and cooling
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Compact multi-service ball valve
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Patent number 4,762,301
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Issue date Aug 9, 1988
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Whitey Co.
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Richard F. Wozniak
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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High strength ball valve seat assembly
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Patent number 4,750,708
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Issue date Jun 14, 1988
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Whitey Co.
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Edward M. Yusko
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Ball valve and seat assembly
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Patent number 4,660,591
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Issue date Apr 28, 1987
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Whitey Co.
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Cal R. Brown
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...