Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645400 | Composite cuff structure for helicopter rotors | Karl B. Scherer | 1997-07-08 |
| 5601408 | Axisymmetric elastomeric bearing assembly for helicopter rotors | Francis E. Byrnes, Douglas E. Tritsch | 1997-02-11 |