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Rotary wheel type rock picker
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Patent number 4,609,049
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Issue date Sep 2, 1986
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Thomas Migdal
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Potato harvesting apparatus
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Patent number 4,416,334
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Issue date Nov 22, 1983
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Alain M. Bouillon
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Root crop harvester
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Patent number 4,024,920
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Issue date May 24, 1977
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Deere & Company
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Virgil Dean Haverdink
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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3351200
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Patent number 3,351,200
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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2533793
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Patent number 2,533,793
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Issue date Dec 12, 1950
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2168966
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Patent number 2,168,966
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Issue date Aug 8, 1939
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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1336297
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Patent number 1,336,297
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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938139
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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514317
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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490652
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Patent number 490,652
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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487004
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Patent number 487,004
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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483907
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Patent number 483,907
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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459940
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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387057
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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333398
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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328789
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Patent number 328,789
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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309716
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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271360
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
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79993
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B07 - SEPARATING SOLIDS FROM SOLIDS SORTING