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3905172
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Patent number 3,905,172
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Issue date Sep 16, 1975
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E04 - BUILDING
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3216469
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Patent number 3,216,469
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Issue date Nov 9, 1965
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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2118841
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Patent number 2,118,841
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Issue date May 31, 1938
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E04 - BUILDING
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1736186
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Patent number 1,736,186
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Issue date Nov 19, 1929
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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1540128
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Patent number 1,540,128
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Issue date Jun 2, 1925
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E04 - BUILDING
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1078776
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Patent number 1,078,776
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Issue date Nov 18, 1913
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B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
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101638
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Patent number 101,638
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Issue date Apr 5, 1870
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E04 - BUILDING