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Archbreaking hopper for bulk solids
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Patent number 6,055,781
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Issue date May 2, 2000
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JR Johanson, Inc.
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Jerry R. Johanson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Chip feed system
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Patent number 5,617,975
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Issue date Apr 8, 1997
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Ahlstrom Machinery Inc.
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Jerry R. Johanson
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Conical insets for chip bin
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Patent number 5,454,490
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Issue date Oct 3, 1995
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Kamyr, Inc.
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Jerry R. Johanson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Combination hopper
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Patent number 5,361,945
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Issue date Nov 8, 1994
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J R Johanson, Inc.
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Jerry R. Johanson
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B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
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Flow-no-flow tester
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Patent number 5,289,728
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Issue date Mar 1, 1994
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JR Johanson, Inc.
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Jerry R. Johanson
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G01 - MEASURING TESTING
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Flow-no-flow tester
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Patent number 5,117,699
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Issue date Jun 2, 1992
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JR Johanson, Inc.
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Jerry R. Johanson
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G01 - MEASURING TESTING
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Compacting screw feeder
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Patent number 5,052,874
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Issue date Oct 1, 1991
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JR Johanson, Inc.
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Jerry R. Johanson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Flow rate controller and feeder
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Patent number 4,986,456
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Issue date Jan 22, 1991
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JR Johanson, Inc.
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Jerry R. Johanson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Modular mass-flow bin
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Patent number 4,958,741
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Issue date Sep 25, 1990
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JR Johanson, Inc.
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Jerry R. Johanson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL