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Hydrodynamic blueberry sorting
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Patent number 4,294,691
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Issue date Oct 13, 1981
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Blueberry Equipment, Inc.
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Albert W. Patzlaff
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Hydrodynamic blueberry sorting
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Patent number 4,225,424
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Issue date Sep 30, 1980
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Blueberry Equipment, Inc.
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Albert W. Patzlaff
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B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
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Berry tray denesting and berry packaging
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Patent number 4,095,721
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Issue date Jun 20, 1978
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Blueberry Equipment, Inc.
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Albert W. Patzlaff
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Apparatus for packaging and the like
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Patent number 4,038,807
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Issue date Aug 2, 1977
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Blueberry Equipment, Inc.
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Paul G. Beardsley
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL