Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4638962 | Jumbo aircraft, in particular of high-wing monoplane design | Heinz Gunter, Gerhard Kriechbaum, Hubert Krojer, Rudolf Matecki | 1987-01-27 |
| 4406432 | Retractable landing gear for jumbo aircraft | Claudius Dornier, Jr., deceased, Heinz Gunter, Hubert Krojer | 1983-09-27 |