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Fluid metering device
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Patent number 7,670,117
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Issue date Mar 2, 2010
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Kermit L. Achterman & Associates, Inc.
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Kermit Achterman
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B22 - CASTING POWDER METALLURGY
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Self-cleaning flow shut off valve
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Patent number 7,644,726
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Issue date Jan 12, 2010
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Kermit L. Achterman, & Associates, Inc.
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Kermit L. Achterman
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Self cleaning flow shutoff valve
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Patent number 7,552,743
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Issue date Jun 30, 2009
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Kermit L. Achterman & Associates, Inc.
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Kermit L. Achterman
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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