Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12192863 | Audio signal encoding for device control or content access in telecommunications | — | 2025-01-07 |
| 8656445 | Multimedia subsystem control for internet protocol based television services | David P. Ress, Dominic John Goodwill, Anthony Robert Jones | 2014-02-18 |
| 8644475 | Telephony usage derived presence information | John H. Yoakum, Samuel H. Christie, IV | 2014-02-04 |
| 8045054 | Closed captioning language translation | William Bishop, M. Neil Harrington | 2011-10-25 |
| 7711810 | Distributed services based on presence technology | William J. Janning, Douglas S. Weisenberg | 2010-05-04 |
| 7299286 | Personal user agent | Christopher G. Ramsayer, Jeong Min Kim, PhilipJohn Campion, William Clyde Prentice Dalrymple, Ta-Ming Chen | 2007-11-20 |
| 7227937 | Monitoring natural interaction for presence detection | John H. Yoakum, Samuel H. Christie, IV | 2007-06-05 |
| 7139797 | Presence information based on media activity | John H. Yoakum, Samuel H. Christie, IV | 2006-11-21 |
| 7036082 | Controlling communications through a virtual reality environment | William Clyde Prentice Dalrymple | 2006-04-25 |
| 7035923 | Presence information specifying communication preferences | John H. Yoakum, Samuel H. Christie, IV | 2006-04-25 |
| 6976094 | Automated web browser synchronization by using session initiation protocol during a real-time session | William Clyde Prentice Dalrymple, Ta-Ming Chen | 2005-12-13 |
| 6937563 | Homing and controlling IP telephones | Andrew C. Preston, Steve S. Yang, Joshua Me | 2005-08-30 |
| 6853713 | Client-server network for managing internet protocol voice packets | Joseph Fobert, Srivallipuranandan Navaratnam, Patrick J. Dagert | 2005-02-08 |
| 6658095 | Customized presence information delivery | John H. Yoakum, Samuel H. Christie, IV | 2003-12-02 |
| 6324265 | Originator disposition options for communications session termination | Samuel H. Christie, IV, Greg R. Utas, David P. Ress | 2001-11-27 |