Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7995789 | Electroacoustic transducer with resistance to shock-waves | Paris Tsangaris, Thomas E. Miller, Dennis Ray Kirchhoefer, Daniel Warren | 2011-08-09 |
| 7236609 | Electro-acoustic transducer with resistance to shock-waves | Paris Tsangaris, Thomas E. Miller, Dennis Ray Kirchhoefer, Daniel Warren | 2007-06-26 |