СПИСОК патентов США - подгруппа МПК16 H04M15/26
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| № п/п | Номер патента | Название патента | |||
2015 | |||||
| 1 | 9183559 | Systems and methods to convert a call generated from an advertisement | |||
2004 | |||||
| 2 | 6829339 | Communication control system and communication control method | |||
1982 | |||||
| 3 | 4351984 | Apparatus for use in a telephone exchange including an operator cordboard position | |||
1977 | |||||
| 4 | 4013839 | System for monitoring dialled telephone numbers | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||