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Method for the preservation of timber products
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Patent number 5,506,001
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Issue date Apr 9, 1996
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Union Carbide Chemicals & Plastics Technology Corporation
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Frank M. S. Ma
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Method of impregnating wood
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Patent number 4,591,515
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Issue date May 27, 1986
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National Research Development Corp.
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David J. Dickinson
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Wood impregnation
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Patent number 4,466,998
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Issue date Aug 21, 1984
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Koppers Company, Inc.
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Craig R. McIntyre
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Composition for wood treatment
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Patent number 4,379,073
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Issue date Apr 5, 1983
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Charles J. Zimmerman
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Wood preservation process
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Patent number 4,325,993
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Issue date Apr 20, 1982
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John G. Schroder
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3888774
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Patent number 3,888,774
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Issue date Jun 10, 1975
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3865932
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Patent number 3,865,932
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Issue date Feb 11, 1975
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3822302
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Patent number 3,822,302
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Issue date Jul 2, 1974
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3523049
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Patent number 3,523,049
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Issue date Aug 4, 1970
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3099598
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Patent number 3,099,598
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Issue date Jul 30, 1963
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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3080212
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Patent number 3,080,212
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Issue date Mar 5, 1963
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2590162
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Patent number 2,590,162
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Issue date Mar 25, 1952
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2565175
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Patent number 2,565,175
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Issue date Aug 21, 1951
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2438511
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Patent number 2,438,511
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Issue date Mar 30, 1948
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2432007
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Patent number 2,432,007
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Issue date Dec 2, 1947
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...