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Sealant composition
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Patent number 4,714,801
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Issue date Dec 22, 1987
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AMP Incorporated
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Francis F. Koblitz
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H01 - BASIC ELECTRIC ELEMENTS
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Flame retardant sealant
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Patent number 4,595,724
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Issue date Jun 17, 1986
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AMP Incorporated
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Francis F. Koblitz
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Process for filling teeth
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Patent number 4,504,231
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Issue date Mar 12, 1985
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Dentsply Research & Development Corp.
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Francis F. Koblitz
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental investment material
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Patent number 3,966,479
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Issue date Jun 29, 1976
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Dentsply Research & Development Corporation
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Francis Frederick Koblitz
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES