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Chainsaw comprising a scraper
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Patent number 10,889,021
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Issue date Jan 12, 2021
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Josef Heuser
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Tree girdling tool
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Patent number 10,427,320
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Issue date Oct 1, 2019
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Ryan W. Armbrust
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Tree girdling tool
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Patent number 9,840,021
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Issue date Dec 12, 2017
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Ryan W. Armbrust
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Log peeler
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Patent number 5,797,437
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Issue date Aug 25, 1998
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Greg Beeson
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Hand-held tree girdler
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Patent number 5,257,457
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Issue date Nov 2, 1993
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Joel M. Cotter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Arm controlled power cutter
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Patent number 4,996,773
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Issue date Mar 5, 1991
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Graham B. Albertson
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Arm controlled power cutter
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Patent number 4,924,571
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Issue date May 15, 1990
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Graham B. Albertson
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Powered tree chipper or bark hack
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Patent number 4,452,288
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Issue date Jun 5, 1984
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The United States of America as represented by the Secretary of Agriculture
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Lawrance N. Shaw
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Rotary bark hack
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Patent number 3,986,259
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Issue date Oct 19, 1976
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The United States of America as represented by the Secretary of Agriculture
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Robert D. McReynolds
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3154121
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Patent number 3,154,121
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Issue date Oct 27, 1964
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3093170
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Patent number 3,093,170
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Issue date Jun 11, 1963
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3088504
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Patent number 3,088,504
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Issue date May 7, 1963
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3086287
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Patent number 3,086,287
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Issue date Apr 23, 1963
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3037537
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Patent number 3,037,537
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Issue date Jun 5, 1962
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2906306
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Patent number 2,906,306
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Issue date Sep 29, 1959
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2898960
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Patent number 2,898,960
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Issue date Aug 11, 1959
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2898959
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Patent number 2,898,959
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Issue date Aug 11, 1959
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2889860
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Patent number 2,889,860
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Issue date Jun 9, 1959
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2831514
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Patent number 2,831,514
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Issue date Apr 22, 1958
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2822837
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Patent number 2,822,837
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Issue date Feb 11, 1958
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2768437
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Patent number 2,768,437
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Issue date Oct 30, 1956
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2760307
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Patent number 2,760,307
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Issue date Aug 28, 1956
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...