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Grinding a mounted card clothing
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Patent number 5,797,788
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Issue date Aug 25, 1998
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Graf & Cie A.G.
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Ralph A. Graf
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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Controlled grinding of clothing
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Patent number 5,355,560
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Issue date Oct 18, 1994
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Maschinenfabrik Rieter AG
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Peter Fritzsche
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3881281
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Patent number 3,881,281
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Issue date May 6, 1975
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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3175251
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Patent number 3,175,251
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Issue date Mar 30, 1965
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2536589
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Patent number 2,536,589
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Issue date Jan 2, 1951
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2489844
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Patent number 2,489,844
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Issue date Nov 29, 1949
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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2301058
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Patent number 2,301,058
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Issue date Nov 3, 1942
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
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1679065
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Patent number 1,679,065
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Issue date Jul 31, 1928
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D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING