Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6577622 | System and method for using a portable information device to establish a conference call on a telephony network | Guido M. Schuster, Sagan S. Sidhu, Ikhlaq S. Sidhu | 2003-06-10 |