Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5867570 | Directory number portability in telephone networks | Mahmoud N. Bargout, Adrian Giuhat, Edgar Martinez | 1999-02-02 |
| 5724409 | Speed forwarding system for personal number communications system | Dale W. Malik | 1998-03-03 |