Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5627747 | System for developing and operating an active sound and vibration control system | James E. Allard, Brian Finn, Jerry J. Trantow, Steven Popovich, Trevor A. Laak +2 more | 1997-05-06 |
| 5570425 | Transducer daisy chain | Seth D. Goodman, Larry J. Eriksson, Edward R. Braun | 1996-10-29 |
| 5216721 | Multi-channel active acoustic attenuation system | — | 1993-06-01 |