Number | Name | Date | Kind |
---|---|---|---|
4725718 | Sansone et al. | Feb 1988 | A |
4757537 | Edelmann et al. | Jul 1988 | A |
4775246 | Edelmann et al. | Oct 1988 | A |
4802218 | Wright et al. | Jan 1989 | A |
4831555 | Sansone et al. | May 1989 | A |
4873645 | Hunter et al. | Oct 1989 | A |
5454038 | Cordery et al. | Sep 1995 | A |
5509109 | Kim et al. | Apr 1996 | A |
5655023 | Cordery et al. | Aug 1997 | A |
5987441 | Lee et al. | Nov 1999 | A |
6141654 | Heiden et al. | Oct 2000 | A |
Number | Date | Country |
---|---|---|
11-328462 | Nov 1999 | JP |
Entry |
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The United States Postal Service (USPS): “Information-Based Indicia Program (IBIP) Performance Criteria for information-Based Indicia and Security Architecture for Open IBI Postage Metering Systems (PCIBI-O)”; Apr. 26, 1999.* |
McNamara: “E-Stamp No lick, no stick, just click”; Network World, Apr. 6, 1998, vol. 15, No. 14, p. 10. |