Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307623 | Apparatus and method for the diassembly of an ultra high bypass engine | Donald F. Keck | 1994-05-03 |
| 5222360 | Apparatus for removably attaching a core frame to a vane frame with a stable mid ring | Donald F. Keck, Robert Roth, James W. Brantley, Thomas G. Wakeman, Jeffrey B. Fravel +2 more | 1993-06-29 |