4. Surgery
  5. Respiratory method or device
  6. Means for supplying respiratory gas under positive pressure

Harold D. Delong

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Adjustable headrest

Supports – Armrest or headrest – Armrest for writer
Patent

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Retractable wheelchair tray mechanism

Chairs and seats – With table – desk – or easel – Table supported on both arms
Patent

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Volumetric flow gauge

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

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Profile ID: LFUS-PAI-P-271623

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