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Paper machine fabric leader
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Patent number 7,901,544
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Issue date Mar 8, 2011
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Voith Paper GmbH
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William Daniel Aldrich
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Fabric seams
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Patent number 7,901,530
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Issue date Mar 8, 2011
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Voith Fabrics Patent GmbH
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William D. Aldrich
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Composite press felt
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Patent number 7,871,672
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Issue date Jan 18, 2011
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Voith Patent GmbH
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Robert L. Crook
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Press felt
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Patent number 7,118,651
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Issue date Oct 10, 2006
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Voith Fabrics Heidenheim GmbH & Co. KG
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William Daniel Aldrich
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Seamed felts
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Patent number 7,089,968
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Issue date Aug 15, 2006
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Voith Fabrics GmbH & Co.
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William D. Aldrich
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Pintle wire
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Patent number 6,060,161
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Issue date May 9, 2000
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Scapa Group PLC
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William Daniel Aldrich
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE