A coin sorting and counting machine and a method for operating it to automatically dispense cash vouchers based on the value of the counted coins, manufacturers' coupons and store coupons. Coins are placed in a hopper tray. When the hinged tray is lifted, the coins travel through a waste management system...http://www.google.de/patents/US7971699?utm_source=gb-gplus-sharePatent US7971699 - Coin counter/sorter and coupon/voucher dispensing machine and method