Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9641675 | Digital signature-over-voice for caller ID verification | Alan T. Yaung | 2017-05-02 |
| 9635155 | Digital signature-over-voice for caller ID verification | Alan T. Yaung | 2017-04-25 |
| 9571634 | Digital signature-over-voice for caller ID verification | Alan T. Yaung | 2017-02-14 |
| 9549062 | Digital signature-over-voice for caller ID verification | Alan T. Yaung | 2017-01-17 |