Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10440178 | Caller ID verification using call identification and block lists | Terry Nelms, II | 2019-10-08 |
| 10397398 | Authentication using DTMF tones | — | 2019-08-27 |
| 10375248 | Call authentication using call forwarding | David Dewey | 2019-08-06 |