Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907765 | Wall with a drag reducing surface and method for making such a wall | Ernst H. Hirschel, Hubert Fleckenstein | 1990-03-13 |
| 4660788 | Supercritical wing | — | 1987-04-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4907765 | Wall with a drag reducing surface and method for making such a wall | Ernst H. Hirschel, Hubert Fleckenstein | 1990-03-13 |
| 4660788 | Supercritical wing | — | 1987-04-28 |