Number | Date | Country | Kind |
---|---|---|---|
508859 | May 1986 | CAX |
Number | Name | Date | Kind |
---|---|---|---|
4291198 | Anderson et al. | Sep 1981 | |
4409439 | Gamble | Oct 1983 | |
4453040 | Wolf et al. | Jun 1984 | |
4481382 | Villa-Real | Nov 1984 | |
4613730 | Fechalos et al. | Sep 1986 | |
4665545 | Galensky et al. | May 1987 |
Entry |
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Krepick, William, "Smart Phones Aren't Coming-They're Here", Telephony, Feb. 26, 1979 pp. 45-52. |