Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190867 | Non-blocking dual driver earphones | Brian Lloyd Schmidt, Michael Z. Land, Richard D. Herr | 2021-11-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11190867 | Non-blocking dual driver earphones | Brian Lloyd Schmidt, Michael Z. Land, Richard D. Herr | 2021-11-30 |