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Powder dispenser
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Patent number 6,119,688
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Issue date Sep 19, 2000
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3M Innovative Properties Company
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Ralph Duane Whaley
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Powder dispenser
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Patent number 6,029,661
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Issue date Feb 29, 2000
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3M Innovative Properties Company
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Ralph Duane Whaley
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Stethoscope component
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Patent number D403065
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Issue date Dec 22, 1998
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Minnesota Mining and Manufacturing Company
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Alan P. Dieken
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D24 - Medical and laboratory equipment
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Ergonometric stethoscope chestpiece
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Patent number 5,663,532
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Issue date Sep 2, 1997
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Minnesota Mining and Manufacturing Company
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Alan P. Dieken
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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-
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Ergonometric stethoscope chestpiece
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Patent number D379512
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Issue date May 27, 1997
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Minnesota Mining and Manufacturing Company
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Alan P. Dieken
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D24 - Medical and laboratory equipment
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