Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11643962 | System and method for low CO emission engine | Martin L. Radue | 2023-05-09 |
| 11149617 | System and method for low CO emission engine | Martin L. Radue | 2021-10-19 |
| 8925297 | Engine exhaust systems with secondary air injection systems | Eric B. Hudak | 2015-01-06 |
| 8925298 | Engine exhaust systems with secondary air injection systems | Eric B. Hudak | 2015-01-06 |
| 8429896 | Engine exhaust systems with secondary air injection systems | Eric B. Hudak | 2013-04-30 |
| 5783782 | Multi-chamber muffler with selective sound absorbent material placement | Dale E. Sterrett, Thomas Philip William Turner | 1998-07-21 |