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Core-sheath glass fibers
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Patent number 6,391,444
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Issue date May 21, 2002
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Johns Manville International, Inc.
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William Henry Kielmeyer
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C03 - GLASS MINERAL OR SLAG WOOL
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Inorganic fiber composition
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Patent number 5,714,421
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Issue date Feb 3, 1998
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Manville Corporation
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Leonard Elmo Olds
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Inorganic fiber composition
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Patent number 5,332,699
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Issue date Jul 26, 1994
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Leonard E. Olds
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Loose-fill insulation
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Patent number 4,842,928
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Issue date Jun 27, 1989
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Johns-Manville Corporation
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William H. Kielmeyer
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E04 - BUILDING
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Loose-fill insulation
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Patent number 4,756,957
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Issue date Jul 12, 1988
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Manville Corporation
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William H. Kielmeyer
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E04 - BUILDING
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Ceiling insulation system
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Patent number 4,545,166
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Issue date Oct 8, 1985
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Manville Service Corporation
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William H. Kielmeyer
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E04 - BUILDING
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