Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628620 | Main rotor system for helicopters | — | 1997-05-13 |
| 5609312 | Model helicopter | David J. Arlton | 1997-03-11 |
| 5597138 | Yaw control and stabilization system for helicopters | David J. Arlton | 1997-01-28 |