Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7323973 | Multiplexed TTY signaling for telematics | Michael J. Ceglia | 2008-01-29 |
| 6366646 | Remote conference calling for wireline systems | — | 2002-04-02 |
| 5896565 | Remote conference calling for wireless systems | — | 1999-04-20 |
| 5815550 | Remote conference calling for wireline systems | — | 1998-09-29 |