Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8585829 | Soil resistant floor cleaner | Minyu Li, Catherine Hanson, Kim R. Smith, Robert D. P. Hei, Traci Gioino +2 more | 2013-11-19 |
| 6672401 | Towable box grader with electronically controlled continuously variable multi-axis blade system | — | 2004-01-06 |
| 6371915 | One-twelfth wavelength impedence matching transformer | James D. Koger | 2002-04-16 |
| 6168348 | Bi-directional surface leveling system | Frederick A. Meyer, Dana E. Schroeder | 2001-01-02 |