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US 2485039

How the Aqua-Lung Scuba Regulator Works

The foundational 1947 patent by Jacques Cousteau and Emile Gagnan for the automatic demand regulator that allows divers to breathe compressed air underwater.

Statusexpired

Granted1949

Expires1967

Claims0

Forward citations12

Prior art4

AssigneeIndividual

InventorsGagnan Emile, Cousteau Jacques Yves

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