Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9380374 | Hearing assistance systems configured to detect and provide protection to the user from harmful conditions | Peter J. Sprague, Janet Baker | 2016-06-28 |
| 9301057 | Hearing assistance system | Peter J. Sprague | 2016-03-29 |