Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574325 | Apparatus method and system for providing call progress information for multiple leg telecommunication sessions for intelligent network services | Robert John Baiyor, Deborah Thomas Earl, Thomas Dale Strom | 2003-06-03 |
| 6519454 | Apparatus and method providing ubiquitous call transfer of an incoming call to a mobile subscriber unit | Robert Thomas Calabrese, Jeffrey Arthur Zahnle | 2003-02-11 |
| 6505050 | Method and apparatus for suppressing route request messages for wireless gateway applications | Phillip Gerald Brudos, Timothy Sullivan | 2003-01-07 |