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3557409
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Patent number 3,557,409
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Issue date Jan 26, 1971
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2274423
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Patent number 2,274,423
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Issue date Feb 24, 1942
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2262589
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Patent number 2,262,589
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Issue date Nov 11, 1941
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1893050
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Patent number 1,893,050
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Issue date Jan 3, 1933
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1709881
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Patent number 1,709,881
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Issue date Apr 23, 1929
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1469005
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Patent number 1,469,005
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Issue date Sep 25, 1923
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING