Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10524023 | Enterprise toll-free call routing | David A. Tschirhart | 2019-12-31 |
| 10257590 | Enterprise toll-free call routing | David A. Tschirhart | 2019-04-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10524023 | Enterprise toll-free call routing | David A. Tschirhart | 2019-12-31 |
| 10257590 | Enterprise toll-free call routing | David A. Tschirhart | 2019-04-09 |