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Twist variation
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Patent number 10,669,648
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Issue date Jun 2, 2020
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Robert S. Weiner
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Spinning apparatus
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Patent number 4,918,911
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Issue date Apr 24, 1990
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Zinser Textilmaschinen GmbH
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Gerhard Grau
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Double-twist apparatus
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Patent number 3,991,546
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Issue date Nov 16, 1976
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Hamel GmbH Zwirnmaschinen
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Siegfried Scherf
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3364670
-
Patent number 3,364,670
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Issue date Jan 23, 1968
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3256684
-
Patent number 3,256,684
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Issue date Jun 21, 1966
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3141287
-
Patent number 3,141,287
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Issue date Jul 21, 1964
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3108428
-
Patent number 3,108,428
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Issue date Oct 29, 1963
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
-
2183239
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Patent number 2,183,239
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Issue date Dec 12, 1939
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING