Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10197022 | Adjustable sound distribution system and a vehicle | John P. Person | 2019-02-05 |
| 9995253 | Air duct system | Steven A. Kornburger | 2018-06-12 |
| 9677514 | Air induction system | Steven A. Kornburger | 2017-06-13 |
| 9062639 | Dual inlet air induction system with panel filter for vehicle engine | Steven K. Mackenzie, Kevin J. Dunn, Michael G. Leffert, Hugo Figueroa Rosas, John P. Person | 2015-06-23 |
| 8770166 | Multi-mode air induction tuning duct | — | 2014-07-08 |
| 8485311 | Air duct assembly for engine | Steven K. Mackenzie | 2013-07-16 |