4. Surgery
  5. Respiratory method or device
  6. Means for mixing treating agent with respiratory gas

Frederick M. Richards

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Aerosol medication delivery facemask adapter

Surgery – Respiratory method or device – Means for mixing treating agent with respiratory gas
Patent

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Incentive spirometer

Surgery – Diagnostic testing – Respiratory
Reexamination Certificate

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Respiratory therapy device

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Article for the introduction – removal or collection of fluids
Design Patent

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Respiratory therapy device

Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Article for the introduction – removal or collection of fluids
Design Patent

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Profile ID: LFUS-PAI-P-1632284

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