The method and apparatus for creating and processing discount coupons includes central processor (16) for receiving from manufacturers information of product type, validation period and coupon value and for producing a central coupon list of available coupon discounts. The central list is transmitted...http://www.google.se/patents/US5185695?utm_source=gb-gplus-sharePatent US5185695 - Method and system for handling discount coupons by using centrally stored manufacturer coupons in place of paper coupons
