Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036342 | Methods and systems for providing foreign call back number compatibility for VoIP E9-1-1 calls | Thomas Breen | 2011-10-11 |
| 7894579 | Managing emergency services on a per-telephone-number basis | Sandra J Chancellor | 2011-02-22 |
| 7756253 | Methods and systems for providing foreign call back number compatibility for VoIP E9-1-1 calls | Thomas Breen | 2010-07-13 |