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Polyvinylsiloxane impression material
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Patent number 6,561,807
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Issue date May 13, 2003
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Dentsply Research & Development Corp.
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Robert V. Hare
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Dental impression taking
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Patent number 5,554,028
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Issue date Sep 10, 1996
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Dentsply Research & Development Corp.
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Robert V. Hare
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Light curing apparatus and method
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Patent number 5,316,473
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Issue date May 31, 1994
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Dentsply Research & Development Corp.
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Robert V. Hare
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Frangible light cured compositions
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Patent number 4,721,735
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Issue date Jan 26, 1988
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Dentsply Research & Development Corporation
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Richard J. Bennett
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE