A system is provided for the creation and management of promotional coupons or vouchers using coupon templates written in a template definition language, promotions, and promotional campaigns for the generation and issuance of promotional coupons either in real time or based on a predetermined date and/or...http://www.google.de/patents/US20070168251?utm_source=gb-gplus-sharePatent US20070168251 - Method and apparatus for a promotional couponing system
