Number | Name | Date | Kind |
---|---|---|---|
5259026 | Johnson | Nov 1993 | |
5553130 | Turner | Sep 1996 | |
5583926 | Venier et al. | Dec 1996 | |
5598464 | Hess et al. | Jan 1997 |
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Heller et al., "Phone Numbers on the Move," Telephony, pp. 46-50, Nov. 13, 1995. |
Giordano, A., Chan, M. PCS Number Portability Personal, Indoor and Mobile Radio Communications, Sep. 18-22, 1994) The Hague, Netherlands. |