Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9369814 | External ear canal voice detection | David A. Preves, J. Virgil Bradley | 2016-06-14 |
| 9036833 | External ear canal voice detection | David A. Preves, J. Virgil Bradley | 2015-05-19 |
| 8169938 | Communication system for wireless audio devices | Rob Duchscher, David A. Preves, Jeffrey Paul Solum, Randy L. Magstadt | 2012-05-01 |
| 7929713 | External ear canal voice detection | David A. Preves, J. Virgil Bradley | 2011-04-19 |
| 7797022 | Method and apparatus for wireless components for hearing communication devices | Terrance A. Ruzicka, J. Virgil Bradley | 2010-09-14 |
| 7446720 | Method and apparatus for a wireless hearing aid antenna | James R. Newton | 2008-11-04 |
| 7256747 | Method and apparatus for a wireless hearing aid antenna | James R. Newton | 2007-08-14 |