1
Edward J Hogan: System and method for conducting cashless transactions on a computer network. MasterCard International, Brumbaugh Graves Donohue & Raymond, November 25, 1997: US05692132 (560 worldwide citation)

In a commercial transaction system, a system user uses a personal computer to interact with merchant computers over the Internet to conduct cashless transactions. Each system user computer processes data including a balance stored in the computer's memory and updates the stored data at the end of th ...


2
Hogan Edward J: System and method for conducting cashless transactions on a computer network. Mastercard International, SCHEINFELD Robert C, December 19, 1996: WO/1996/041286

In a commercial transaction system, a system user uses a personal computer to interact with merchant computers over the Internet to conduct cashless transactions. Each system user computer processes data including a balance stored in the computer's memory and updates the stored data at the end of th ...


3
Hogan Edward J: System and method for conducting cashless transactions on a computer network. Mastercard International, April 8, 1998: EP0834144-A1

In a commercial transaction system, a system user uses a personal computer to interact with merchant computers over the Internet to conduct cashless transactions. Each system user computer processes data including a balance stored in the computer's memory and updates the stored data at the end of th ...