Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6581571 | Engine control to reduce emissions variability | John Thomas Kubesh, Daniel J. Podnar, Donald Lee McCaw | 2003-06-24 |
| 6345611 | Thermostatically controlled heater for gas fuel and gas pressure regulator | William Lyle Hartman, Rodney A. Schindler | 2002-02-12 |