Pop-up items are provided which can either be mounted in three-dimensional form on a suitable supporting surface by means of pressure-sensitive adhesive carried by the item or can be affixed to facing panels of a letter or pages of a book. The preferred items include a pop-up element in the form of one...http://www.google.de/patents/US5346455?utm_source=gb-gplus-sharePatent US5346455 - Methods of making pop-up promotional items
