This is a continuation-in-part of application Ser. No. 07/763,493, filed Sep. 23, 1991, now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3553377 | Jones | Jan 1971 | |
3843841 | Rubinstein | Oct 1974 | |
3881060 | Connell et al. | Apr 1975 | |
3989900 | Dibner | Nov 1976 | |
4064368 | Dibner | Dec 1977 | |
4101741 | Kunstatter | Jul 1978 | |
4237344 | Moore | Dec 1980 | |
4281220 | Frailey | Jul 1981 | |
4284849 | Anderson et al. | Aug 1981 | |
4310726 | Asmuth | Jan 1982 | |
4371751 | Hilligoss | Feb 1983 | |
4417100 | Carlson et al. | Nov 1983 | |
4453043 | Zielinski et al. | Jun 1984 | |
4465465 | Nelson | Aug 1984 | |
4465904 | Gottsegen et al. | Aug 1984 | |
4467142 | Rupp et al. | Aug 1984 | |
4495383 | Lubin et al. | Jan 1985 | |
4510350 | Wagner et al. | Apr 1985 | |
4565902 | Phillipps | Jan 1986 | |
4641127 | Hogan | Feb 1987 | |
4647914 | Alexander | Mar 1987 | |
4760593 | Shapiro et al. | Jul 1988 | |
4821027 | Mallory et al. | Apr 1989 | |
5305370 | Kearns et al. | Apr 1994 |
Number | Date | Country |
---|---|---|
0037573 | Oct 1981 | EPX |
0096401 | Dec 1983 | EPX |
0208080 | Jan 1987 | EPX |
3826243 | Aug 1989 | DEX |
2051520 | Jan 1981 | GBX |
2166321 | Apr 1986 | GBX |
Entry |
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A. Lennstom, "Ericare", Ericsson Review, vol. 58, No. 2 (1981), pp. 96-100. |
M.J. Stevenson, "Portable Transmitter For Use With A Terminal For Summoning Help", Western Eletric Technical Digest, No.68 (Oct. 1982), p. 27. |
"Ericare Provides Link To The Outside World", Telephony (Oct. 24, 1983), pp. 28, 30. |
Owner's Manual, "The Hasten 500-911", Hasten Systems (1987). |
E.G. DeNigris et al., "Enhanced 911: Emergency Calling With A Plus", Bell Laboratories Records (Mar. 1980), pp. 74-99. |
W.H. Sahm, "General Electric Optoelectronics Manual", The General Electric Company (1976), pp. 70-72. |
Number | Date | Country | |
---|---|---|---|
Parent | 763493 | Sep 1991 |