Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6278786 | Active noise cancellation aircraft headset system | — | 2001-08-21 |
| 5970159 | Video monitor with shielded microphone | — | 1999-10-19 |
| 5930371 | Tunable acoustic system | C. Raymond Cheng, Michael T. Zuroski, Larry J. Eriksson | 1999-07-27 |