A game for a plurality of players wherein each player is provided with a playing card, said playing card being presented to the players by means of a mass distribution publication. The playing card comprises a matrix of delineated areas, such as squares, in rows and columns, each square bearing a certain...http://www.google.de/patents/US4711454?utm_source=gb-gplus-sharePatent US4711454 - Bingo game involving promotional coupons
