4. Medical and laboratory equipment
  5. Equipment for diagnosis, analysis, or treatment
  6. Hand manipulated tool or instrument

Richard N. Cooper

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Birthing-assistance vacuum bell

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Hand manipulated tool or instrument
Patent

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Hand held vacuum pump for use in delivery rooms

Environmental heating and cooling; fluid handling and sanitary e – Fluid handling or treatment equipment – Hand or foot operated pump or well curb
Patent

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Hand-held and hand-operated vacuum pump

Pumps – Expansible chamber type – Having separate noncyclic valve
Patent

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Soft, readily expandable vacuum bell assembly

Surgery – Instruments – Obstetric or gynecological instruments
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Profile ID: LFUS-PAI-P-1146194

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