A process for placement of indicator elements in a disposable wearing article includes a step in which indication sheets each having a pair of indicator elements are placed on an outer web, a step in which the indication sheets are joined to the outer web, a step in which an inner web is placed upon...http://www.google.es/patents/US6837958?utm_source=gb-gplus-sharePatente US6837958 - Process for placement of indicator elements
