Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418205 | Call and circuit state machine for a transaction control layer of a communications signaling gateway | John Macedo, David E. Phelps, Shannan E. Trousdale | 2002-07-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6418205 | Call and circuit state machine for a transaction control layer of a communications signaling gateway | John Macedo, David E. Phelps, Shannan E. Trousdale | 2002-07-09 |