Number | Name | Date | Kind |
---|---|---|---|
3903369 | Darwood | Sep 1975 | |
3914551 | Hunt | Oct 1975 | |
3916121 | Stuzzi | Oct 1975 | |
3920926 | Lenaerts | Nov 1975 | |
3999050 | Pitroda | Dec 1976 | |
4007491 | Bolick | Feb 1977 | |
4057839 | Banks | Nov 1977 | |
4115846 | Laine | Sep 1978 | |
4212438 | Schatteman | Jul 1980 | |
4263481 | Ho et al. | Apr 1981 | |
4291198 | Anderson | Sep 1981 | |
4306117 | Jacobson | Dec 1981 | |
4317143 | Osanai | Feb 1982 | |
4328397 | Chamberlin | May 1982 | |
4378917 | Negishi | Apr 1983 | |
4422114 | Sugihara | Dec 1983 | |
4425627 | Eibner | Jan 1984 | |
4482085 | Tanaka | Nov 1984 | |
4503288 | Kessler | Mar 1985 | |
4524244 | Faggin | Jun 1985 |
Number | Date | Country |
---|---|---|
2155278 | Jan 1984 | GBX |
2156186 | Mar 1984 | GBX |
Entry |
---|
Telecommunications, North American Edition, vol. 20, No. 8, Aug. 1986, pp. 36-37. |
New Products and Services, Telephony, 7/14/86, p. 117. |