Convenient transaction cards are provided that may be attached or interconnected with portable electronic devices, such as, portable communication devices, personal digital assistants, or other portable computing means. The transaction cards may be foldable to provide for convenient storage and access...http://www.google.fr/patents/US7137552?utm_source=gb-gplus-shareBrevet US7137552 - Portable electronic devices interconnected with convenient or foldable transaction cards
Portable electronic devices interconnected with convenient or foldable ...