Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11284184 | Auto calibration of an active noise control system | Matthew Conrad Fellers, Louis D. Fielder, Joshua Brandon Lando, C. Phillip Brown, Rhonda Wilson | 2022-03-22 |
| 8036414 | Speaker | John B. French | 2011-10-11 |
| 7362168 | Audio amplifier | John B. French | 2008-04-22 |