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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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3650077
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Patent number 3,650,077
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Issue date Mar 21, 1972
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B24 - GRINDING POLISHING
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3528136
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Patent number 3,528,136
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Issue date Sep 15, 1970
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B24 - GRINDING POLISHING
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3528205
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Patent number 3,528,205
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Issue date Sep 15, 1970
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B24 - GRINDING POLISHING
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3228149
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Patent number 3,228,149
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Issue date Jan 11, 1966
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B24 - GRINDING POLISHING
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3214868
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Patent number 3,214,868
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Issue date Nov 2, 1965
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B24 - GRINDING POLISHING
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3154895
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Patent number 3,154,895
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Issue date Nov 3, 1964
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B24 - GRINDING POLISHING
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2885837
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Patent number 2,885,837
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Issue date May 12, 1959
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B24 - GRINDING POLISHING
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2849844
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Patent number 2,849,844
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Issue date Sep 2, 1958
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B24 - GRINDING POLISHING
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2710500
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Patent number 2,710,500
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Issue date Jun 14, 1955
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B24 - GRINDING POLISHING