An apparatus comprising a billfold including first and second sections and a hinge joining the sections for pivotal movement. The first section has a pocket with an opening which provides access to the pocket and the pocket is adapted to receive a card, such as a credit card, through the opening. The...http://www.google.ca/patents/US5052328?utm_source=gb-gplus-sharePatent US5052328 - Apparatus for preventing credit card loss
