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.com/patents/US7631812?utm_source=gb-gplus-sharePatent US7631812 - Foldable transaction card systems