Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8712070 | Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities | Paul J. Remington, Alan Robert Douglas Curtis | 2014-04-29 |
| 7970148 | Simultaneous enhancement of transmission loss and absorption coefficient using activated cavities | Paul J. Remington, Alan Robert Douglas Curtis | 2011-06-28 |
| 7248703 | Systems and methods for adaptive noise cancellation | John C. Heine, William B. Coney, Robert David Preuss | 2007-07-24 |
| 6160892 | Active muffler | — | 2000-12-12 |