4. Medical and laboratory equipment
  5. Equipment for diagnosis, analysis, or treatment
  6. Article for the introduction, removal or collection of fluids

James A. Alessi

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Combined oxygen regulator and conservation device

Surgery – Respiratory method or device – Means for supplying respiratory gas under positive pressure
Reexamination Certificate

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Fluid flowmeter and method of assembly

Measuring and testing – Volume or rate of flow – Using differential pressure
Reexamination Certificate

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Oxygen flow controller

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

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Reduced noise oxygen concentrator

Gas separation: apparatus – Solid sorbent apparatus – Plural solid sorbent beds
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1207166

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