Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9190071 | Noise suppression device, system, and method | Donald Joseph Butts, William A. Welsh, Stuart K. Drost | 2015-11-17 |
| 7197147 | Computationally efficient means for optimal control with control constraints | Douglas G. MacMartin, Robert K. Goodman, James W. Fuller | 2007-03-27 |
| 6856920 | Adaptation performance improvements for active control of sound or vibration | Douglas G. MacMartin, Christopher Park | 2005-02-15 |
| 6772074 | Adaptation performance improvements for active control of sound or vibration | Douglas G. MacMartin, Christopher Park | 2004-08-03 |