Class H04Q : SELECTING
Subclass 1/32: Details of selecting apparatus or arrangements Electrical details Signalling arrangements; Manipulation of signalling currents (multiplex systems providing for calling or supervisory signals H04J 1/14, H04J 3/12 ) using trains of dc pulses (H04Q 1/39 takes precedence)
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11457349 | Method and apparatus for managing user equipment history information in wireless communication network | Jun 22, 20 | Sep 27, 22 | SAMSUNG ELECTRONICS CO., LTD |
| 9699626 | Filtered in-box for voicemail, E-mail, pages, web-based information, and faxes | Jun 03, 14 | Jul 04, 17 | AT&T MOBILITY II LLC |
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