Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8989411 | Differential microphone with sealed backside cavities and diaphragms coupled to a rocking structure thereby providing resistance to deflection under atmospheric pressure and providing a directional response to sound pressure | Neal A. Hall, Michael Kuntzman | 2015-03-24 |