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Bag packing center
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Patent number 4,774,799
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Issue date Oct 4, 1988
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Will G. Durant
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Valve bag placer
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Patent number 4,664,162
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Issue date May 12, 1987
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Westmont, Inc.
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Will G. Durant
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Valve bag placer
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Patent number 4,411,296
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Issue date Oct 25, 1983
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W. G. Durant Corporation
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Will G. Durant
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Valve bag placer
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Patent number 4,334,558
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Issue date Jun 15, 1982
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Will G. Durant
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL