According to one embodiment of the invention, a method of forming a custom fitted mask includes transitioning a mask blank including a thin sheet of deformable material from a non-deformable state into a deformable state. The mask blank is applied against at least a portion of a user's face surrounding...http://www.google.es/patents/US20040079374?utm_source=gb-gplus-sharePatente US20040079374 - Custom fitted mask and method of forming same
Número de solicitud: 10/280,803 Número de publicación: US 2004/0079374 A1 Fecha de presentación: 24 Oct 2002 Patente emitida: US6857428 ( Fecha de emisión 22 Feb 2005)
