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Dowel making machine
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Patent number 5,127,452
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Issue date Jul 7, 1992
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Structural Block Systems, Inc.
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Arthur L. Wilston
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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Paste dispensing device
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Patent number 4,015,750
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Issue date Apr 5, 1977
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Arthur Lloyd Wilston
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Paste dispensing device
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Patent number 3,974,943
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Issue date Aug 17, 1976
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Arthur Lloyd Wilston
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL