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Pre-insulated block
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Patent number 12,084,859
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Issue date Sep 10, 2024
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Charles H. Leahy
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E04 - BUILDING
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Structural block assembly
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Patent number 10,487,504
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Issue date Nov 26, 2019
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Concrete Block Insulating Systems, Inc.
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David L. Nickerson
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E04 - BUILDING
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Building block
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Patent number 8,615,933
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Issue date Dec 31, 2013
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Stephen Day Broderick
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E04 - BUILDING
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Masonry block system
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Patent number 8,596,014
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Issue date Dec 3, 2013
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Christopher R. Genest
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E04 - BUILDING
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2852933
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Patent number 2,852,933
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Issue date Sep 23, 1958
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E04 - BUILDING
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2852934
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Patent number 2,852,934
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Issue date Sep 23, 1958
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E04 - BUILDING