Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8635925 | Transmission auxiliary unit shift inhibitor | Dave Stevens, Mark A. Hirsch, Charles Bradley, Michael J. Huggins | 2014-01-28 |
| 7509885 | Transmission auxiliary unit timed shift inhibitor | Dave Stevens, Mark A. Hirsch, Charles Bradley, Michael J. Huggins, Gerard F. Smith +1 more | 2009-03-31 |
| 6427714 | Fluid flow valve with variable flow rate | Alan R. Freigang, James A. Beverly | 2002-08-06 |
| 6250327 | Fluid flow valve with variable flow rate | Alan R. Freigang, James A. Beverly | 2001-06-26 |
| 5544688 | Two stage kneeling valve | Alan R. Freigang, Gary R. Schultz, Thomas L. Runels | 1996-08-13 |