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Penetration firestop system
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Patent number 10,662,644
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Issue date May 26, 2020
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3M Innovative Properties Company
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John C. Hulteen
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Methods of making inorganic fiber webs
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Patent number 8,343,400
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Issue date Jan 1, 2013
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3M Innovative Properties Company
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Brandon L. Cordts
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D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
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Re-enterable acrylic polymer grout material
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Patent number 5,663,267
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Issue date Sep 2, 1997
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Minnesota Mining and Manufacturing Co.
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George W. Frost
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polymerizable compositions
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Patent number 5,387,661
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Issue date Feb 7, 1995
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Minnesota Mining and Manufacturing Company
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George W. Frost
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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