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US 1906844

How the Iron Lung Artificial Respirator Works

A 1933 patent for a mechanical respirator that uses external air pressure changes to force a patient's lungs to expand and contract.

Statusexpired

Granted1933

Expires1951

Claims0

Forward citations7

Prior art0

AssigneeIndividual

InventorsShaw Louis Agassiz, Drinker Philip

Patent B

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