Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9485585 | Shock resistant coil and receiver | Michael McCratic, Matthew Mason, Ryan Grounds, Dennis Ray Kirchhoefer, Thomas E. Miller +1 more | 2016-11-01 |
| 8824726 | Low axial vibration receiver armature and assembly | Thomas E. Miller, Clifford Ryan Grounds, David E. Schafer, George Patterson | 2014-09-02 |
| 8494209 | Low axial vibration receiver armature and assembly | Thomas E. Miller, Clifford Ryan Grounds, David E. Schafer, George Patterson | 2013-07-23 |
| 7869610 | Balanced armature bone conduction shaker | Vignesh Jayanth | 2011-01-11 |
| 6751326 | Vibration-dampening receiver assembly | — | 2004-06-15 |