Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6327347 | Calling party identification authentication and routing in response thereto | — | 2001-12-04 |
| 6118861 | Calling party invoked held call monitoring | Fred J. McConnell, DUNCAN MCLAREN | 2000-09-12 |