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Bushing with ribbed tip plate
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Patent number 10,189,738
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Issue date Jan 29, 2019
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Johns Manville
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Morris L Richardson
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C03 - GLASS MINERAL OR SLAG WOOL
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Bushing with ribbed tip plate
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Patent number 9,682,884
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Issue date Jun 20, 2017
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Johns Manville
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Morris L Richardson
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C03 - GLASS MINERAL OR SLAG WOOL
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Advanced fin positioner
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Patent number 6,000,116
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Issue date Dec 14, 1999
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Owens Corning Fiberglas Technology, Inc.
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Robert Harvey Prange
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C03 - GLASS MINERAL OR SLAG WOOL
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3538722
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Patent number 3,538,722
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Issue date Nov 10, 1970
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C03 - GLASS MINERAL OR SLAG WOOL
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3461943
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Patent number 3,461,943
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Issue date Aug 19, 1969
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B22 - CASTING POWDER METALLURGY
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2973550
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Patent number 2,973,550
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Issue date Mar 7, 1961
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C03 - GLASS MINERAL OR SLAG WOOL