Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8767938 | Telephone network control system and method | John H. Wurster | 2014-07-01 |
| 7616747 | Telephone network control system and method | John H. Wurster | 2009-11-10 |
| 6647108 | Internet call manager | John H. Wurster | 2003-11-11 |