Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8411837 | Enhanced directory assistance system with voice over IP call handling | Christine Baumeister | 2013-04-02 |
| 7912202 | Enhanced directory assistance system with voice over IP call handling | Christine Baumeister | 2011-03-22 |
| 7400717 | Enhanced directory assistance system with voice over IP call handling | Christine Baumeister | 2008-07-15 |