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Manure spreaders
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Patent number 5,085,372
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Issue date Feb 4, 1992
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Hedlund Manufacturing Co., Inc.
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Mervin G. Martin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Manure spreaders
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Patent number 4,993,632
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Issue date Feb 19, 1991
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Hedlund Manufacturing Co., Inc.
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Mervin G. Martin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Manure spreader
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Patent number 4,479,608
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Issue date Oct 30, 1984
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Hedlund Manufacturing Co., Inc.
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Mervin G. Martin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Manure spreader
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Patent number 4,473,184
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Issue date Sep 25, 1984
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Hedlund Manufacturing Co., Inc.
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Mervin G. Martin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Manure spreaders
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Patent number 4,467,967
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Issue date Aug 28, 1984
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Hedlund Manufacturing Co., Inc.
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Mervin G. Martin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Manure loader
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Patent number 4,438,885
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Issue date Mar 27, 1984
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Hedlund Manufacturing Co., Inc.
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Mervin G. Martin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Manure spreader with multiple side auger
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Patent number 4,362,272
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Issue date Dec 7, 1982
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Hedlund Manufacturing Co., Inc.
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Mervin G. Martin
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING