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4882675 | Nichtberger et al. | Nov 1989 | A |
5047614 | Bianco | Sep 1991 | A |
5185695 | Pruchnicki | Feb 1993 | A |
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5285278 | Holman | Feb 1994 | A |
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5305197 | Axler et al. | Apr 1994 | A |
5380991 | Valencia et al. | Jan 1995 | A |
RE34915 | Nichtberger et al. | Apr 1995 | E |
5420606 | Begum et al. | May 1995 | A |
5708782 | Larson et al. | Jan 1998 | A |
5710886 | Christensen et al. | Jan 1998 | A |
5710887 | Chelliah et al. | Jan 1998 | A |
5857175 | Day et al. | Jan 1999 | A |
5875110 | Jacobs | Feb 1999 | A |
5956694 | Powell | Sep 1999 | A |
5979757 | Tracy et al. | Nov 1999 | A |
6012635 | Shimada et al. | Jan 2000 | A |
6014634 | Scroggie et al. | Jan 2000 | A |
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Number | Date | Country |
---|---|---|
WO 9834458 | Aug 1998 | WO |
Entry |
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Cliff Wilke, “Smart Cards, Seizing Strategic Business Opportunities” © 1997, pps. 209-223. |