1
David A Berger, Jay C Weber, Vilas I Madapurmath: System, method and article of manufacture for virtual point of sale processing utilizing an extensible, flexible architecture. VeriFone, Sanford E Warren Jr, December 15, 1998: US05850446 (354 worldwide citation)

Secure transmission of data is provided between a plurality of computer systems over a public communication system, such as the Internet. Secure transmission of data is provided from a customer computer system to a merchant computer system, and for the further secure transmission of payment informat ...


2
Daniel R Haller, Trong Nguyen, Kevin T B Rowney, David A Berger, Glenn A Kramer: System, method and article of manufacture for managing transactions in a high availability system. VeriFone, Sanford E Warren Jr, Daniel J Chalker, Gardere & Wynne L, February 15, 2000: US06026379 (294 worldwide citation)

An architecture is disclosed allowing a server to communicate bidirectionally with a gateway over a first communication link, over which service requests are initiated by the server. In response to a transaction received from a host legacy system at the gateway, the gateway parses one or more transa ...


3
David A Berger, Jay C Weber, Glenn A Kramer: System, method and article of manufacture for processing a plurality of transactions from a single initiation point on a multichannel, extensible, flexible architecture. Hewlett Packard Company, Sanford E Warren Jr, Daniel J Chalker, August 24, 1999: US05943424 (280 worldwide citation)

An architecture for processing a plurality of transactions from a single point of initiation is disclosed. The initiating computer selects a terminal identification token, and associates the token with a transaction request, thereby ensuring the association of the transaction with a unique terminal ...


4
Jay C Weber, David A Berger, Atul Arora: System, method and article of manufacture for multiple-entry point virtual point of sale architecture. VeriFone, January 23, 2001: US06178409 (254 worldwide citation)

A server communicates bidirectionally with a gateway over a first communication link, over which service requests flow to the server for one or more merchants and/or consumers. Service requests are associated with a particular merchant based on storefront visited by a consumer or credentials present ...


5
Daniel R Haller, Trong Nguyen, Kevin T B Rowney, David A Berger, Glenn A Kramer: System, method and article of manufacture for managing transactions in a high availability system. VeriFone, March 26, 2002: US06363363 (166 worldwide citation)

An architecture is disclosed allowing a server to communicate bidirectionally with a gateway over a first communication link, over which service requests are initiated by the server. In response to a transaction received from a host legacy system at the gateway, the gateway parses one or more transa ...


6
David A Berger, John W Welch: File qualifying and sorting system. International Business Machines Corporation, Douglas H Lefeve, J B Kraft, June 24, 1980: US04209845 (58 worldwide citation)

A system for sorting records of a file to find the record in the file having the highest or lowest data in a first field of the records, provided that the record qualifies to be sorted in accordance with the data in a second field of the records. A plurality of such records are stored on a plurality ...


7
David A Berger: Precursory set-up for a word processing system. International Business Machines, December 29, 1981: US04308582 (14 worldwide citation)

A control system presents to a user, in the user's native language, the list of acceptable functions that a word processing system can perform. After the user selects the name of the desired function, the control system automatically builds a list of control parameters for executing the selected fun ...