Assignee

NEWS DATA COM LTD

GB·1 granted patent·167 citations·filing 1997–1997

Technology mixG06K1 G06Q1 G07C1 G07F1 H04N1

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0171US5878134ASecure access systems utilizing more than one IC cardNEWS DATA COM LTD·Filed 1997·Granted Mar 2, 1999·167 cites·16 claims

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