Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6823058 | Method and system for forwarding calls | Martin R. Marks, John Verbil, Karen A. Parry, Lotus A. Mardick | 2004-11-23 |
| 6748058 | Caller identification system with announcement capability | Martin R. Marks, Brent V. Bell, Douglas F. Reynolds, Gloria E. Davy | 2004-06-08 |
| 6549619 | Method for screening calls | Brent V. Bell, L. Anne Mardick | 2003-04-15 |
| 5757899 | Call screening using subscriber specified timers and schedules | Joni R. Boulware, Joshua D. Staller | 1998-05-26 |