A transaction card system comprising a foldable transaction card and a foldable housing is disclosed. The foldable transaction card has a folded state and an unfolded state. The foldable housing for housing the foldable transaction card when the foldable transaction card is in a folded state, wherein...http://www.google.fr/patents/US7721956?utm_source=gb-gplus-shareBrevet US7721956 - Foldable transaction card systems
