Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6039239 | Method of manufacturing structural parts, particularly for use in aircraft | Stephen Harold Johnston, John Frederick Eastham | 2000-03-21 |
| 5809737 | Structural parts for use in aircraft | Stephen Harold Johnston, John Frederick Eastham | 1998-09-22 |