Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7447736 | Customer interface system for managing communications services including toll free services | Carol Y. Devine, Richard W. Shoulberg, Gerald A. Shifrin, Robert A. Pfister, Douglas B. Fenley +6 more | 2008-11-04 |
| 6763376 | Integrated customer interface system for communications network management | Carol Y. Devine, Richard W. Shoulberg, Gerald A. Shifrin, Robert A. Pfister, Douglas B. Fenley +6 more | 2004-07-13 |
| 6381644 | Integrated proxy interface for web based telecommunications network management | Wayne J. Munguia, Robert A. Pfister | 2002-04-30 |