Number | Name | Date | Kind |
---|---|---|---|
3890471 | Hachenburg | Jun 1975 | |
4206322 | Lurtz | Jun 1980 | |
4322843 | Beuscher et al. | Mar 1982 | |
4485469 | Witmore | Nov 1984 | |
4547877 | Lehman et al. | Oct 1985 | |
4553234 | Brandsma et al. | Nov 1985 | |
4558444 | Kennedy et al. | Dec 1985 | |
4587651 | Nelson et al. | May 1986 | |
4630259 | Larson et al. | Dec 1986 | |
4679191 | Nelson et al. | Jul 1987 | |
4713807 | Caves et al. | Dec 1987 | |
4718058 | van Vugt | Jan 1988 | |
4736371 | Tejima et al. | Apr 1988 | |
4763317 | Lehman et al. | Aug 1988 | |
4769839 | Preineder et al. | Sep 1988 | |
4780870 | McHarg et al. | Oct 1988 | |
4821259 | DeBruler et al. | Apr 1989 |
Entry |
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D. L. Carney et al., "The 5ESS Switching System: Architectural Overview", AT&T Technical Journal, vol. 64, No. 6 (Jul.-Aug. 85), pp. 1339-1357. |