Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618474 | Method and apparatus for providing to a customer a promotional message between ringing signals or after a call waiting tone | — | 2003-09-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6618474 | Method and apparatus for providing to a customer a promotional message between ringing signals or after a call waiting tone | — | 2003-09-09 |