Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5372479 | Flexbeam for a helicopter bearingless main rotor assembly | Francis E. Byrnes, Timothy A. Krauss | 1994-12-13 |
| 5286167 | Spar-to-hub joint for a flexbeam helicopter rotor | Francis E. Byrnes | 1994-02-15 |