Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11057718 | Load change diagnostics for acoustic devices and methods | Andrew Unruh, Daniel Warren | 2021-07-06 |
| 11012786 | Armature-based acoustic receiver having improved output and method | Andrew Unruh, Daniel Warren | 2021-05-18 |
| 10939217 | Audio device with acoustic valve | Christopher Monti, Shehab Albahri, Erik Wiederholtz, Christopher A. Jones, Timothy K. Wickstrom +2 more | 2021-03-02 |