Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834100 | Voice over IP method for developing interactive voice response system | — | 2004-12-21 |
| 6748058 | Caller identification system with announcement capability | Peggy S. Schwend, Martin R. Marks, Brent V. Bell, Gloria E. Davy | 2004-06-08 |