Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9100761 | Earphone assembly | Scott C. Grinker, Steven R. Grosz, Kyle Patrick Glavan, Lajos Frohlich, Garbor Zanoni +1 more | 2015-08-04 |
| 8983101 | Earphone assembly | Scott C. Grinker, Steven R. Grosz, Kyle Patrick Glavan, Lajos Frohlich, Gabor Zanoni +1 more | 2015-03-17 |
| 7995789 | Electroacoustic transducer with resistance to shock-waves | Thomas E. Longwell, Thomas E. Miller, Dennis Ray Kirchhoefer, Daniel Warren | 2011-08-09 |
| 7317997 | System and method for facilitating listening | Steven Boor | 2008-01-08 |
| 7236609 | Electro-acoustic transducer with resistance to shock-waves | Thomas E. Longwell, Thomas E. Miller, Dennis Ray Kirchhoefer, Daniel Warren | 2007-06-26 |
| 7162381 | System and method for facilitating listening | Steven Boor | 2007-01-09 |
| 6041131 | Shock resistant electroacoustic transducer | Dennis Ray Kirchhoefer, Thomas E. Miller | 2000-03-21 |