Draeger Medical Systems, Inc.

William E Dedig, Jr

Eric J Robey

Robert H Sell

Thomas J Pitzer

A safety breathing apparatus has a delivery element configured to deliver respirable gas to a respiratory system of a user. The apparatus includes a breathing hose in fluid communication with a first source of respirable gas. A valve housing includes a first port configured to be couple to the delivery element, a second port configured to be coupled to the breaking hose, and a third port configured to dock with a second source of respirable gas without exposing the user to a surrounding atmosphere.

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Pittsburgh, PA, United States of America

William E Dedig, Jr