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Knife holder
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Patent number 5,333,659
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Issue date Aug 2, 1994
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Key Knife, Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Knife with clamp package mounting knife
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Patent number 5,271,442
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Issue date Dec 21, 1993
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Commercial Knife, Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Drum chipper with knife and knife holder
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Patent number 5,209,278
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Issue date May 11, 1993
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Commerical Knife,Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Chipping device
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Patent number 5,146,963
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Issue date Sep 15, 1992
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Commercial Knife, Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Mounted knife system
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Patent number 4,997,018
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Issue date Mar 5, 1991
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Commercial Knife, Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Chipper knife
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Patent number 4,850,408
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Issue date Jul 25, 1989
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Commercial Knife, Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Chipper disc and knife assembly
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Patent number 4,771,718
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Issue date Sep 20, 1988
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Commercial Knife, Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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V-shaped chipper knife
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Patent number 4,669,516
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Issue date Jun 2, 1987
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Duratech, Inc.
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Charles T. Carpenter
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...