Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10720136 | Layered chamber acoustic attenuation | William B. Dial | 2020-07-21 |
| 10657947 | Integrated broadband acoustic attenuator | William B. Dial, Arthur J. Birchenough | 2020-05-19 |