Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6821084 | Torque tube bearing assembly | Sang Yeng Park, Mitchell Jay Headley | 2004-11-23 |
| 4913623 | Propeller/fan-pitch feathering apparatus | Jan Christopher Schilling, Arthur P. Adamson, Neil Walker | 1990-04-03 |
| 4522559 | Compressor casing | Joseph C. Burge | 1985-06-11 |