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Buttonhole sewing machine
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Patent number 6,694,901
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Issue date Feb 24, 2004
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Durkopp Adler Aktiengesellschaft
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Karsten Filges
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D05 - SEWING EMBROIDERING TUFTING
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Buttonhole sewing machine
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Patent number 6,684,798
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Issue date Feb 3, 2004
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Durkopp Adler Aktiengesellschaft
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Karsten Filges
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Buttonhole sewing machine
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Patent number 6,647,905
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Issue date Nov 18, 2003
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Durkopp Adler Aktiengesellschaft
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Heinz Fransing
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D05 - SEWING EMBROIDERING TUFTING
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Buttonhole sewing machine
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Patent number 6,205,939
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Issue date Mar 27, 2001
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Durkopp Adler Aktiengesellschaft
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Theodor Janocha
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D05 - SEWING EMBROIDERING TUFTING