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Oral suction device
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Patent number 12,076,202
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Issue date Sep 3, 2024
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CAO Group, Inc.
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Densen B. Cao
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Oral suction device
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Patent number 11,793,617
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Issue date Oct 24, 2023
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CAO Group, Inc.
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Densen B. Cao
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Dental handpieces
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Patent number 9,839,491
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Issue date Dec 12, 2017
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CAO Group, Inc.
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Jack Nichols
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Packaging tray
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Patent number D740117
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Issue date Oct 6, 2015
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CAO Group, Inc.
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Jack R. Nichols
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D09 - Packages and containers for goods
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