1
Erik Sandberg Diment: Providing verification information for a transaction. Fish & Richardson P C, October 20, 1998: US05826245 (448 worldwide citation)

Verification information is provided with respect to a transaction between an initiating party and a verification-seeking party, the verification information being given by a third, verifying party, based on confidential information in the possession of the initiating party. On behalf of the initiat ...


2
Erik Sandberg Diment: Method and system for graphic and sonic encryption for securing data and electronic devices. Erik Sandberg Diment, DeLio Peterson & Curcio, David R Pegnataro, April 17, 2018: US09947009

A method of verifying a transaction between a first party and a second party using a first graphical symbol having at least a two-dimensional array of different segments arranged in a visually distinct pattern, or a first sonic symbol having different frequency magnitude segments over a desired time ...


3
Erik Sandberg Diment: Mobile telephone transaction system employing electronic account card. Delio & Peterson, January 26, 2006: US20060018450-A1

A method of conducting a transaction at a point-of-sale with a consumer. The consumer uses mobile telephone with a memory library capable of storing a plurality of account numbers, a menu to select a desired account number from the library, and capability to transmit an account number to a point-of- ...