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

John R. Grenaway

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Diaphragm controlled bypass valve

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Reexamination Certificate

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Diaphragm controlled bypass valve

Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Reexamination Certificate

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Oxygen-conserving regulator assembly

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

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Profile ID: LFUS-PAI-P-190216

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