1
Jay S Walker, James A Jorasch, Thomas M Sparico: Electronic gaming system offering premium entertainment services for enhanced player retention. Walker Digital, Patrick J Buckley, Dean Alderucci, September 5, 2000: US06113495 (472 worldwide citation)

An electronic gaming system is disclosed that allows a player of an electronic gaming device, such as a slot machine or an arcade video game, to access premium entertainment services, such as premium web sites, pay-per-view services and shared-revenue telephone services, such as 900 or 976 services, ...


2
Jay S Walker, James A Jorasch, Thomas M Sparico: Electronic gaming system offering premium entertainment services for enhanced player retention. Walker Digital, Steven M Santisi, June 24, 2003: US06582310 (162 worldwide citation)

An electronic gaming system is disclosed that allows a player of an electronic gaming device, such as a slot machine or an arcade video game, to access premium entertainment services, such as premium web sites, pay-per-view services and shared-revenue telephone services, such as 900 or 976 services, ...


3
Walker Jay S, Jorasch James A, Sparico Thomas M: An electronic gaming system offering premium entertainment services for enhanced player retention. Walker Asset Management Partnership, sHUGHES Christopher A, September 17, 1998: WO/1998/040141

An electronic gaming system is disclosed that allows a player of an electronic gaming device (300) to access premium entertainment services, such as premium web sites (125), pay-per-view services (115), and shared-revenue telephone services (120), for enhanced player retention. When play is initiate ...