A novel system and process have been developed whereby a prepaid phone card, or any other similar inventory, may be easily and efficiently distributed at, for example, a point-of-sale. A computerized terminal including memory for storage is maintained at the point-of-distribution, or any...http://www.google.de/patents/US6169975?utm_source=gb-gplus-sharePatent US6169975 - Point-of-distribution pre-paid card vending system
