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End gate positive cleanout
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Patent number 4,140,248
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Issue date Feb 20, 1979
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AFE Industries, Inc.
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Erhard E. Alms
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Annunciator readout unit
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Patent number 4,126,855
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Issue date Nov 21, 1978
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AFE Industries, Inc.
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Erhard E. Alms
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G08 - SIGNALLING
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Baffles for grain dryer
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Patent number 3,932,119
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Issue date Jan 13, 1976
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AFE Industries, Inc.
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Erhard E. Alms
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F26 - DRYING