Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12156101 | Registration and mode switching for devices in a distributed audio system | Robert Paul D'Angelo, Sr., Baiqiang Ren, Michael A. Frost, Jonathan Umfleet, Shaun Fagan | 2024-11-26 |
| 10152297 | Classroom system | Baiqiang Ren | 2018-12-11 |
| 8861744 | Distributed audio system | David Solomon, Shaun Fagan, Jim Arbuckle, Don Hammer, Thomas J. Koller +1 more | 2014-10-14 |
| 8311241 | Microphone circuit | — | 2012-11-13 |