FACE MASK APPARATUS WITH SECONDARY FILTER

A face mask apparatus for filtering air, the face mask apparatus including a primary face mask having a face seal for providing an airtight flexible seal around the nose and mouth of the user; a support sealably attached to the face seal, wherein the support has an open area that allows for passage...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	WHITBY, PETER LIONEL, SHENG, NORRIE TIENLOR, FYKE, STEVEN HENRY, HEXEMER, MATTHEW GERALD, SZASZ, RICHARD DEVIN, BOGATCH, VICTOR, ARMOUR, KEVIN MARTIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING FIRE-FIGHTING HUMAN NECESSITIES LIFE-SAVING
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