Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798767 | System and method for generating multiple line appearances in a communication network | John D. Alexander, Kenneth P. Pruski | 2004-09-28 |
| 6775369 | System and method for establishing roaming line numbers | — | 2004-08-10 |