Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6481192 | Steering tube for pivotally rotating a hay harvester gearbox | Melanie W. Harkcom, Thomas L. Stiefvater, Steven J. Campbell | 2002-11-19 |
| 6176500 | Transportable car washing system | Constance E. Clement | 2001-01-23 |