Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343982 | Tractor with improved valve system | Rudolph Ernst Krueger, V, Duane Bloom, N. Bruce Moore | 2008-03-18 |
| 7121364 | Tractor with improved valve system | Ernst R. Krueger, V, Duane Bloom, N. Bruce Moore | 2006-10-17 |