Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6584490 | System and method for providing call-handling services on a data network telephone system | Guido M. Schuster, Ikhlaq S. Sidhu, Jerry Mahler, Frederick Dean, Jacek A. Grabiec | 2003-06-24 |