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Chain saws and chains therefor
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Patent number 4,593,591
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Issue date Jun 10, 1986
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Cornelis J. M. Beerens
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Chain saw bar
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Patent number 4,557,054
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Issue date Dec 10, 1985
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Cornelis J. M. Beerens
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Chain saw bars
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Patent number 4,492,030
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Issue date Jan 8, 1985
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Cornelis J. M. Beerens
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Hand saw guide
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Patent number D274975
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Issue date Aug 7, 1984
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Cornelis J. M. Beerens
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D08 - Tools and hardware
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Saw sharpening guide
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Patent number D273174
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Issue date Mar 27, 1984
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Cornelis J. M. Beerens
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D08 - Tools and hardware
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Saw sharpening guide
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Patent number D272985
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Issue date Mar 13, 1984
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Cornelis J. M. Beerens
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D08 - Tools and hardware
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Saw sharpening guide
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Patent number 4,435,999
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Issue date Mar 13, 1984
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Cornelis J. M. Beerens
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Chain saw sharpening guide
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Patent number 4,412,463
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Issue date Nov 1, 1983
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Cornelis J. M. Beerens
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Hand saw guide
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Patent number 4,325,278
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Issue date Apr 20, 1982
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Cornelis J. Beerens
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...