Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11198516 | System to accelerate and decelerate aircraft for take-off and landing | Brett M. Hoffstadt, William A. Harkness | 2021-12-14 |
| 10377504 | System to accelerate and decelerate aircraft for take-off and landing | Brett M. Hoffstadt, William A. Harkness | 2019-08-13 |
| 10059465 | System to accelerate and decelerate aircraft for take-off and landing | Brett M. Hoffstadt, William A. Harkness | 2018-08-28 |