Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139271 | Helicopter rotor blade weighting | — | 2000-10-31 |
| 4531408 | Control of rotor blade stroboscopic display | Lloyd N. Johnson | 1985-07-30 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139271 | Helicopter rotor blade weighting | — | 2000-10-31 |
| 4531408 | Control of rotor blade stroboscopic display | Lloyd N. Johnson | 1985-07-30 |