Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11070676 | Embedded audio passcode in ringtone to establish secure connection for arbitrary phone relay | Daniel C. Klingler, David L. Biderman, Nicholas M. Fraioli, Christopher M. Garrido, Shuang Liu +1 more | 2021-07-20 |
| 11025406 | Audio return channel clock switching | Michael F. Jean, Brett D. George, Daniel C. Klingler, Girault W. Jones, Felipe Ferreri Tonello | 2021-06-01 |