Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8078167 | Local number portability for mobility management | Maurice Scott Laster, Mark J. Enzmann, John Mark Dammrose | 2011-12-13 |
| 7664496 | Local number portability for mobility management | Maurice Scott Laster, Mark J. Enzmann, John Mark Dammrose | 2010-02-16 |
| 6873696 | System and method for preserving caller privacy | J. Carl Bedingfield | 2005-03-29 |
| 5930238 | Asynchronous transfer mode (ATM) multicast tree delivery switching | — | 1999-07-27 |