Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6807255 | Systems and methods for exchanging wireline messages with wireline telephones | Anita Hogans Simpson | 2004-10-19 |
| 6778648 | Systems and methods for wireline ring tone service | Anita Hogans Simpson | 2004-08-17 |