Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8594347 | Microphone having multiple transducer elements | William A. Ryan, Peter V. Loeppert | 2013-11-26 |
| 8401215 | Receiver assemblies | Daniel Warren, Thomas J. Jalava, Brad Olson, Earl E. Houcek, Mark F. Halla +1 more | 2013-03-19 |
| 8170244 | Microphone having multiple transducer elements | William A. Ryan, Peter V. Loeppert | 2012-05-01 |