Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6711402 | Method and apparatus for displaying calling party information | John Visser | 2004-03-23 |
| 5915220 | System and method for maintaining profile information in a telecommunications network | — | 1999-06-22 |