Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810285 | Drive shaft casing for a ducted fan anti-torque device | — | 1998-09-22 |
| 5131604 | Helicopter antitorque device | Charles A. Yoerkie, Jr., Steven D. Weiner | 1992-07-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5810285 | Drive shaft casing for a ducted fan anti-torque device | — | 1998-09-22 |
| 5131604 | Helicopter antitorque device | Charles A. Yoerkie, Jr., Steven D. Weiner | 1992-07-21 |