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Fire barrier system
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Patent number 5,187,910
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Issue date Feb 23, 1993
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MM Systems Corporation
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John D. Nicholas
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E04 - BUILDING
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End dam nosing material
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Patent number 4,943,605
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Issue date Jul 24, 1990
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MM Systems Corporation
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John D. Nicholas
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Compression seal
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Patent number 4,743,036
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Issue date May 10, 1988
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MM Systems Corporation
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John D. Nicholas
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Compression seal
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Patent number 4,708,517
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Issue date Nov 24, 1987
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MM Systems Corporation
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John D. Nicholas
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Elastomeric glands
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Patent number 4,625,485
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Issue date Dec 2, 1986
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MM Systems Corporation
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John D. Nicholas
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Elastomeric glands
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Patent number 4,616,460
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Issue date Oct 14, 1986
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MM Systems Corporation
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John D. Nicholas
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES