Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11101774 | Audio power source with improved efficiency | David F. Baretich | 2021-08-24 |
| 11043926 | Audio power source with improved efficiency | David F. Baretich | 2021-06-22 |
| 10917059 | Audio power source with improved efficiency | David F. Baretich | 2021-02-09 |