Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10284960 | Acoustic transducer with gap-controlling geometry and method of manufacturing an acoustic transducer | Robert J. Littrell | 2019-05-07 |
| 10170685 | Piezoelectric MEMS microphone | Robert J. Littrell | 2019-01-01 |