СПИСОК патентов США - подгруппа МПК16 H04Q3/48
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| № п/п | Номер патента | Название патента | |||
2003 | |||||
| 1 | 6665295 | Conversion of a permanent connection into a signaled permanent connection | |||
1996 | |||||
| 2 | 5515428 | Multiple queue resource management | |||
1979 | |||||
| 3 | 4169221 | Method and apparatus for testing a subscriber line group marker of a telephone central office cross bar switching device | |||
1976 | |||||
| 4 | 3997731 | Apparatus for custom calling features in a telephone system | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||