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Shredbar apparatus
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Patent number 4,383,652
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Issue date May 17, 1983
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Sperry Corporation
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Donald L. Osborne
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Quick-adjusting jackstand apparatus
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Patent number 4,316,601
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Issue date Feb 23, 1982
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Sperry Corporation
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Donald L. Osborne
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Adjustable coupling apparatus
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Patent number 4,280,317
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Issue date Jul 28, 1981
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Sperry Corporation
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Curtis H. Lindblom
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Adjustable width row crop header
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Patent number 4,086,749
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Issue date May 2, 1978
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Sperry Rand Corporation
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James G. Greiner
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Multi-row crop header
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Patent number 4,083,167
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Issue date Apr 11, 1978
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Sperry Rand Corporation
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Curtis H. Lindblom
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Row crop means for a harvesting unit
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Patent number 4,048,792
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Issue date Sep 20, 1977
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Sperry Rand Corporation
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Joe E. Shriver
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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