4. Surgery
  5. Respiratory method or device
  6. Respiratory gas supply means enters mouth or tracheotomy...

David W. Vrona

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Endotracheal tube attachment device

Surgery – Respiratory method or device – Respiratory gas supply means enters mouth or tracheotomy...
Patent

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High temperature hermetic switch

Electricity: circuit makers and breakers – Float – Float and pressure
Patent

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Use of capacitance for protecting against overheating of a water

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent

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Profile ID: LFUS-PAI-P-419440

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