Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478545 | Fluted blisk | David William Crall, John R. Kelley, Ian Francis Prentice, Gregory Scott McNulty | 2002-11-12 |
| 5988980 | Blade assembly with splitter shroud | Bruce Clark Busbey, David William Crall | 1999-11-23 |