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Frangible fiberglass insulation batts
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Patent number 7,303,799
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Issue date Dec 4, 2007
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Knauf Insulation GmbH
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Jon Pereira
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Frangible fiberglass insulation batts
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Patent number 6,979,381
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Issue date Dec 27, 2005
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Knauf Fiber Glass GmbH
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Jon Pereira
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Pre-cut fibrous insulation blanket
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Patent number 6,670,011
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Issue date Dec 30, 2003
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Johns Manville International, Inc.
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Larry J. Weinstein
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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2897551
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Patent number 2,897,551
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Issue date Aug 4, 1959
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E04 - BUILDING