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Book recycling apparatus
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Patent number 6,591,722
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Issue date Jul 15, 2003
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Donald Sauer
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Book counter
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Patent number 4,697,486
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Issue date Oct 6, 1987
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Vincent Vulcano
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B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
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3875834
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Patent number 3,875,834
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Issue date Apr 8, 1975
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3808931
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Patent number 3,808,931
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Issue date May 7, 1974
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3722342
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Patent number 3,722,342
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Issue date Mar 27, 1973
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3431805
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Patent number 3,431,805
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Issue date Mar 11, 1969
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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3431804
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Patent number 3,431,804
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Issue date Mar 11, 1969
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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3333752
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Patent number 3,333,752
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Issue date Aug 1, 1967
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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3313191
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Patent number 3,313,191
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Issue date Apr 11, 1967
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B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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3240089
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Patent number 3,240,089
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Issue date Mar 15, 1966
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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3234833
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Patent number 3,234,833
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Issue date Feb 15, 1966
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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3088683
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Patent number 3,088,683
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Issue date May 7, 1963
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B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
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2618334
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Patent number 2,618,334
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Issue date Nov 18, 1952
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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2589673
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Patent number 2,589,673
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Issue date Mar 18, 1952
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2584346
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Patent number 2,584,346
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Issue date Feb 5, 1952
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B26 - HAND CUTTING TOOLS CUTTING SEVERING
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2036207
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Patent number 2,036,207
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Issue date Apr 7, 1936
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE