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Feed grinding and mixing apparatus
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Patent number 4,201,348
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Issue date May 6, 1980
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Deere & Company
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Marvin L. Bigbee
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A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
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Mixer blade for a mixer tank
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Patent number 4,134,690
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Issue date Jan 16, 1979
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Deere & Company
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Harold R. Lindstrom
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Hydraulic governor
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Patent number 3,987,627
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Issue date Oct 26, 1976
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Deere & Company
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Harold Richard Lindstrom
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B60 - VEHICLES IN GENERAL