Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8705519 | Method and apparatus for localized voice over internet protocol usage | Donald C. Jackson, Michael J.B. Epstein, John Giannandrea | 2014-04-22 |
| 7286521 | Localized voice over internet protocol communication | Donald C. Jackson, Michael J.B. Epstein, John Giannandrea | 2007-10-23 |