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Log handling method and apparatus
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Patent number 4,338,986
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Issue date Jul 13, 1982
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McDonough Manufacturing Company
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Robert K. Detjen
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Sawmill log handling method
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Patent number 4,250,937
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Issue date Feb 17, 1981
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McDonough Manufacturing Company
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Robert K. Detjen
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Log handling method and apparatus
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Patent number 4,206,673
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Issue date Jun 10, 1980
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McDonough Manufacturing Company
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Robert K. Detjen
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Sawmill apparatus
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Patent number 4,152,960
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Issue date May 8, 1979
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McDonough Manufacturing Company
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Robert K. Detjen
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Log handling method and apparatus
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Patent number 4,146,072
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Issue date Mar 27, 1979
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McDonough Manufacturing Company
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Robert K. Detjen
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Sawmill log-handling system
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Patent number 4,009,632
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Issue date Mar 1, 1977
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McDonough Manufacturing Company
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Robert K. Detjen
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Packaging and blank handling systems
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Patent number 3,990,210
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Issue date Nov 9, 1976
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McDonough Manufacturing Company
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David R. McDonough
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL