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Composite filter media
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Patent number 5,993,501
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Issue date Nov 30, 1999
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Johns Manville International, Inc.
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Michael John Cusick
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Composite filter media
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Patent number 5,948,344
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Issue date Sep 7, 1999
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Johns Manville International, Inc.
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Michael John Cusick
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Composite filter media
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Patent number 5,800,586
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Issue date Sep 1, 1998
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Johns Manville International, Inc.
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Michael John Cusick
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air filtration media
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Patent number 5,728,187
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Issue date Mar 17, 1998
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Schuller International, Inc.
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Charles F. Kern
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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