Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5826824 | Emergency egress system for aircraft | Randall J. Martin | 1998-10-27 |
| 5209429 | Helicopter with retractable rotor for transport | Leonard J. Doolin | 1993-05-11 |
| 5102067 | Integrated helicopter empennage structure | Steven D. Weiner, John J. Occhiato | 1992-04-07 |
| 4818179 | Composite helicopter rotor hub | Leonard J. Doolin | 1989-04-04 |
| 4585393 | Fiber reinforced/epoxy matrix composite helicopter rotor yoke | Edward S. Hibyan, Peter C. Ogle | 1986-04-29 |
| 4568245 | Composite helicopter rotor hub | Edward S. Hibyan, George J. Wehnert, Francis E. Byrnes, Peter C. Ogle | 1986-02-04 |
| 4568246 | Fiber reinforced/epoxy matrix composite helicopter rotor torque tube | Edward S. Hibyan, George J. Wehnert, Francis E. Byrnes, Peter C. Ogle | 1986-02-04 |