Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8824726 | Low axial vibration receiver armature and assembly | Thomas E. Miller, Clifford Ryan Grounds, Henry Nepomuceno, David E. Schafer | 2014-09-02 |
| 8494209 | Low axial vibration receiver armature and assembly | Thomas E. Miller, Clifford Ryan Grounds, Henry Nepomuceno, David E. Schafer | 2013-07-23 |
| 4349009 | Combustion air system | Eddy L. Patterson | 1982-09-14 |