Number | Name | Date | Kind |
---|---|---|---|
4694397 | Grant et al. | Sep 1987 | |
4799156 | Shavit et al. | Jan 1989 | |
4823264 | Deming | Apr 1989 | |
4858121 | Barber et al. | Aug 1989 | |
4947028 | Gorog | Aug 1990 | |
5007084 | Materna et al. | Apr 1991 | |
5025373 | Keyser, Jr. et al. | Jun 1991 | |
5050207 | Hitchcock | Sep 1991 | |
5220501 | Lawlor et al. | Jun 1993 | |
5252811 | Henochowicz et al. | Oct 1993 | |
5283829 | Anderson | Feb 1994 | |
5326959 | Perazza | Jul 1994 | |
5336870 | Hughes et al. | Aug 1994 | |
5351994 | Pollin | Oct 1994 | |
5383113 | Kight et al. | Jan 1995 | |
5424938 | Wagner et al. | Jun 1995 | |
5465206 | Hilt et al. | Nov 1995 | |
5496991 | Delfer, III et al. | Mar 1996 | |
5504677 | Pollin | Apr 1996 | |
5546303 | Helbling | Aug 1996 |
Entry |
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"EUA is taking its payment system to the bank", Electrical World v.205 (Jul. '91), p. 15. |