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Vertical sump pump motor
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Patent number 5,076,762
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Issue date Dec 31, 1991
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A. O. Smith Corporation
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Robert E. Lykes
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Dynamoelectric machine
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Patent number 4,999,533
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Issue date Mar 12, 1991
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A. O. Smith Corporation
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James L. King
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
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Flexible motor mounting
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Patent number 4,293,114
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Issue date Oct 6, 1981
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A. O. Smith Corporation
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Robert E. Lykes
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Electric motor end play control
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Patent number 4,164,674
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Issue date Aug 14, 1979
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A. O. Smith Corporation
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John B. Buckman
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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