Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9258386 | Voice over internet protocol (VoIP) mobility detection | — | 2016-02-09 |
| 8467320 | Voice over internet protocol (VoIP) multi-user conferencing | John Gordon Hines, Darrin P. Johnson, Kathleen Clare Lendvay | 2013-06-18 |
| 7907551 | Voice over internet protocol (VoIP) location based 911 conferencing | John Gordon Hines, Darrin P. Johnson | 2011-03-15 |
| 7626951 | Voice Over Internet Protocol (VoIP) location based conferencing | John Gordon Hines | 2009-12-01 |