Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350279 | Gas turbine engine blade retainer sub-assembly | Ian Francis Prentice | 1994-09-27 |
| 5160243 | Turbine blade wear protection system with multilayer shim | Fredrick C. Herzner, Peter Wayte | 1992-11-03 |
| 5141401 | Stress-relieved rotor blade attachment slot | Stephen C. Peterson, Frederick C. Herzner | 1992-08-25 |