Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10448140 | Headphone off-ear detection | Amit Kumar, Shankar Rathoud, Eric P. Etheridge, Eric Sorensen | 2019-10-15 |
| 10200776 | Headphone off-ear detection | Amit Kumar, Shankar Rathoud, Eric P. Etheridge, Eric Sorensen | 2019-02-05 |
| 10182160 | Speakerphone system or speakerphone accessory with on-cable microphone | Eric Sorensen, Thomas Irrgang | 2019-01-15 |