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3735450
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Patent number 3,735,450
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Issue date May 29, 1973
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3636591
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Patent number 3,636,591
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Issue date Jan 25, 1972
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3381343
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Patent number 3,381,343
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Issue date May 7, 1968
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2110215
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Patent number 2,110,215
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Issue date Mar 8, 1938
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1487716
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Patent number 1,487,716
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Issue date Mar 25, 1924
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1454669
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Patent number 1,454,669
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Issue date May 8, 1923
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING