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Zero pressure accumulation conveyor
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Patent number 5,906,267
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Issue date May 25, 1999
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HK Systems, Inc.
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Martin A. Heit
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Drive chain for accumulation conveyor
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Patent number 5,582,287
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Issue date Dec 10, 1996
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Western Atlas, Inc.
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Martin A. Heit
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Zero pressure accumulation conveyor
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Patent number 5,316,130
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Issue date May 31, 1994
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Litton Industrial Automation Systems, Inc.
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Martin A. Heit
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL