Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10955859 | Unmanned aerial vehicle drag augmentation by reverse propeller rotation | Martyn Cowley | 2021-03-23 |
| 10919623 | Air vehicle flight mechanism and control method | Karl Robert Klingebiel, Alexander Andryukov, Bart Dean Hibbs, John Peter Zwaan | 2021-02-16 |