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Dental resin materials
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Patent number 5,444,104
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Issue date Aug 22, 1995
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Jeneric/Pentron, Inc.
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Samuel Waknine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental resin materials
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Patent number 5,276,068
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Issue date Jan 4, 1994
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Jeneric/Pentron, Inc.
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Samuel Waknine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental restorative material
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Patent number 4,544,359
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Issue date Oct 1, 1985
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Pentron Corporation
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Samuel Waknine
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE