Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10757512 | Multi-source audio amplification and ear protection devices | Timothy D. Schnell | 2020-08-25 |
| 10341760 | Electronic ear protection devices | — | 2019-07-02 |
| 10111014 | Multi-source audio amplification and ear protection devices | Timothy D. Schnell | 2018-10-23 |
| 7062357 | Multiple region convolver with tapering | Michael A. Merchant, Richard A. Lund | 2006-06-13 |