Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7796746 | Method and system for call tracing | Paul W. Fellner | 2010-09-14 |
| 7221751 | Method and system for call tracing | Paul W. Fellner | 2007-05-22 |
| 6925164 | Method and system for call tracing | Paul W. Fellner | 2005-08-02 |
| 6718031 | Method and system for call tracing | Paul W. Fellner | 2004-04-06 |
| 6404882 | Method and system for call tracing | Paul W. Fellner | 2002-06-11 |
| 6243458 | Method and system for call tracing | Paul W. Fellner | 2001-06-05 |
| 5999616 | Method and system for call tracing | Paul W. Fellner | 1999-12-07 |