Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11739973 | Sound absorbing duct for environmental control system | John Erik West, Douglas D. Maben, Andrew K. Fung, David R. C. Cannal | 2023-08-29 |
| 11712872 | Sound absorbing duct with foam-filled honeycomb core for environmental control system | Douglas D. Maben, Mark M. Gmerek, David R. C. Cannal | 2023-08-01 |