Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6735295 | Call waiting messaging | John C. Myers, Robert A. Williamson, Anne Grosman, Pieter Groen | 2004-05-11 |
| 6728360 | Call processing software, methods and equipment providing enhanced notifications | — | 2004-04-27 |