Number | Date | Country | Kind |
---|---|---|---|
63-206296 | Aug 1988 | JPX | |
63-206297 | Aug 1988 | JPX | |
63-208275 | Aug 1988 | JPX | |
63-298286 | Nov 1988 | JPX | |
63-298287 | Nov 1988 | JPX |
This application is a continuation of application Ser. No. 07/393,887 filed Aug. 15, 1989 now abandoned.
Number | Name | Date | Kind |
---|---|---|---|
3560658 | Molloy et al. | Feb 1971 | |
3904830 | Every, Sr. et al. | Sep 1975 | |
4304968 | Klausner et al. | Dec 1981 | |
4582956 | Doughty | Apr 1986 | |
4873719 | Reese | Oct 1989 | |
4924491 | Compton et al. | May 1990 | |
4924496 | Figa et al. | May 1990 |
Number | Date | Country |
---|---|---|
0154865 | Sep 1984 | JPX |
0089846 | Apr 1989 | JPX |
Entry |
---|
Philips Telecommunication Review, vol. 45, No. 3, pp. 35-41, Sep. 1987 (Hesdahl). |
"Voice and Data Workstations and Services in the ISDN", Eriksson et al. Ericsson Review, May 1984, pp. 14-19. |
"The Messaging Telephone in the Integrated Office", Peter Zinsli, Telecommunications, Sep. 1984, pp. 74, 80. |
Number | Date | Country | |
---|---|---|---|
Parent | 393887 | Aug 1989 |