Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12055352 | Fan brake control system | Brian Alexander Lesniak, Carl T. Johnson, Thomas Ray Hendrix, Michael Wayne Sprengel | 2024-08-06 |
| 11454464 | Fan brake control system | Carl T. Johnson, Brian Alexander Lesniak, Thomas Ray Hendrix, Michael Wayne Sprengel | 2022-09-27 |