Number | Name | Date | Kind |
---|---|---|---|
3775566 | Akimaru et al. | Nov 1973 | |
4009343 | Markey et al. | Feb 1977 | |
4156109 | Kraushaar et al. | May 1979 | |
4194090 | Yabe et al. | Mar 1980 | |
4456788 | Kline et al. | Jun 1984 | |
4669113 | Ash et al. | May 1987 | |
4756019 | Szybicki | Jul 1988 | |
4763325 | Wolfe et al. | Aug 1988 | |
4831373 | Hess | May 1989 | |
4931941 | Krishnan | Jun 1990 | |
4979118 | Kheradpir | Dec 1990 | |
5042027 | Takase et al. | Aug 1991 | |
5042064 | Chung et al. | Aug 1991 | |
5241588 | Babson, III et al. | Aug 1993 |
Number | Date | Country |
---|---|---|
2189111A | Oct 1987 | GBX |
Entry |
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Ljungblom, "A Service Management System for the IN", Ericsson Review No. 1 1990, pp. 32-41. |