Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666105 | Unmanned aircraft | Hans-Jochen Hoeppner, Ulrich Kraemer | 1987-05-19 |
| 4659041 | Parachute landing of unmanned aircraft | Ulrich Kraemer, Rainer Schlieske, Heinz Wohlers | 1987-04-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4666105 | Unmanned aircraft | Hans-Jochen Hoeppner, Ulrich Kraemer | 1987-05-19 |
| 4659041 | Parachute landing of unmanned aircraft | Ulrich Kraemer, Rainer Schlieske, Heinz Wohlers | 1987-04-21 |