Number | Name | Date | Kind |
---|---|---|---|
4086434 | Bocchi | Apr 1978 | |
4221933 | Cornell et al. | Sep 1980 | |
4277649 | Sheinbein | Jul 1981 | |
4289931 | Baker | Sep 1981 | |
4395590 | Pierce et al. | Jul 1983 | |
4534041 | Munter | Aug 1985 | |
4696031 | Freudberg et al. | Sep 1987 | |
4737984 | Brown | Apr 1988 | |
4748664 | Blomley | May 1988 | |
4782518 | Mattley et al. | Nov 1988 | |
4809272 | Torgrim et al. | Feb 1989 | |
4809321 | Morganstein et al. | Feb 1989 | |
4821314 | Guyader et al. | Apr 1989 | |
4852151 | Dittakavi et al. | Jul 1989 | |
4878236 | Ray et al. | Oct 1989 | |
4893332 | Brown | Jan 1990 | |
4935958 | Morganstein et al. | Jun 1990 | |
4995076 | Joffe et al. | Feb 1991 | |
5007000 | Baldi | Apr 1991 | |
5063593 | Kwon | Nov 1991 |
Entry |
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Maryann Chandler, Editor; "US WEST To Offer Message Waiting Indication--Visual"; US WEST ONA Newsletter Jan. 1991, pp. 2-6. |