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Air seeder disc scraper
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Patent number 7,357,193
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Issue date Apr 15, 2008
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Air Design, Inc.
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Barry Harmon
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Drive assembly
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Patent number 4,586,593
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Issue date May 6, 1986
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Terry L. Danelson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Drive assembly
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Patent number 4,545,471
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Issue date Oct 8, 1985
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Terry L. Danelson
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...