Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11143149 | Cobra head air intake ports | Robert G. Sperry, Terry D. Partridge, Steven L. Leffler, Kartikeya Tyagi, Amit Kulkarni | 2021-10-12 |
| 11098681 | Cobra head air intake ports and intake manifolds | Robert G. Sperry, Terry D. Partridge, Steven L. Leffler, Kartikeya Tyagi, Amit Kulkarni | 2021-08-24 |