A number selecting device adapted to darken a predetermined amount of numbered boxes on a lottery computer game card inserted therein in accordance with a picked selection of numbers selected from a group of lucky numbers stored in a computer within the device wherein the lucky numbers are associated...http://www.google.co.uk/patents/US5110129?utm_source=gb-gplus-sharePatent US5110129 - Number selecting device and printing device and pamphlet for playing a lottery
