СПИСОК патентов США - подгруппа МПК16 H04M15/38
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| № п/п | Номер патента | Название патента | |||
1994 | |||||
| 1 | 5276441 | Communication charge manageable digital communication unit and a method of managing communication charge | |||
1990 | |||||
| 2 | 4933931 | Integrated accounting system | |||
| 3 | 4893330 | Method and apparatus for restricting credit card communication calls | |||
1976 | |||||
| 4 | 3943336 | Photoelectric scanning systems for reading data appearing in an angular format | |||
| © 2017, ПАТ-Инфо, В.И. Карнышев
Дата формирования списка: 03.04.2017 | |||||