Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6947528 | Arrangement for local recording of a voice message for delivery to destination messaging system via an IP network | Kevin L. Chestnut | 2005-09-20 |
| 6882862 | Method for interfacing a private branch exchange with a wireless communications network and also with the public switched telephone network | Shiann-An Chia, Christopher Foard, William E. Corley | 2005-04-19 |
| 5623499 | Method and apparatus for generating conformance test data sequences | Sanjoy Paul | 1997-04-22 |