Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5710822 | Frequency selective active adaptive control system | Shawn K. Steenhagen, Steve C. Southward | 1998-01-20 |
| 5557682 | Multi-filter-set active adaptive control system | Jay V. Warner, Scott Kuhn | 1996-09-17 |
| 5278913 | Active acoustic attenuation system with power limiting | Shawn K. Steenhagen | 1994-01-11 |