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Firestop collar
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Patent number 12,083,366
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Issue date Sep 10, 2024
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Hilti Aktiengesellschaft
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Herbert Muenzenberger
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E04 - BUILDING
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Firestop collar
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Patent number 11,628,321
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Issue date Apr 18, 2023
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Hilti Aktiengesellschaft
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Herbert Muenzenberger
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E04 - BUILDING
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Firestop collar
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Patent number 10,610,711
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Issue date Apr 7, 2020
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Hilti Aktiengesellschaft
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Herbert Muenzenberger
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Firestop collar
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Patent number 10,596,399
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Issue date Mar 24, 2020
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Hilti Aktiengesellschaft
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Herbert Muenzenberger
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Leadthrough for a conduit
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Patent number 7,877,941
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Issue date Feb 1, 2011
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Hilti Aktiengesellschaft
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Marco Fischer
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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