Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6744759 | System and method for providing user-configured telephone service in a data network telephony system | Ikhlaq S. Sidhu, Guido M. Schuster, Frederick Dean | 2004-06-01 |
| 6731630 | Flexible dial plan for a data network telephony system | Guido M. Schuster, Ikhlaq S. Sidhu, Frederick Dean, Jerry Mahler, Jacek A. Grabiec | 2004-05-04 |