Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471923 | Unmanned aircraft | Heinz-Jochen Hoppner, Hugo Sgarz | 1984-09-18 |
| 4410151 | Unmanned craft | Heinz-Jochen Hoppner, Ulrich Kramer, Hugo Sgarz | 1983-10-18 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4471923 | Unmanned aircraft | Heinz-Jochen Hoppner, Hugo Sgarz | 1984-09-18 |
| 4410151 | Unmanned craft | Heinz-Jochen Hoppner, Ulrich Kramer, Hugo Sgarz | 1983-10-18 |