Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE36243 | Coulter wheel assembly including applying dry or liquid fertilizer | Allen Rawson | 1999-07-06 |
| 5855248 | Track drive conversion apparatus for wheel driven vehicle | Steven Ray Rawson, David Rawson | 1999-01-05 |
| 5640914 | Debris manipulating and clearing assembly for clearing crop residue from soil | — | 1997-06-24 |
| 5623997 | Soil zone-builder coulter closer/tiller | William C. Maenle, David R. Smith | 1997-04-29 |
| 5473999 | One pass seedbed preparation device and system | Allen Rawson | 1995-12-12 |
| 5462124 | Dual coulter device | — | 1995-10-31 |
| 5370068 | Coulter fertilizer applicator unit | Allen Rawson | 1994-12-06 |
| 5349911 | Assembly used in farm implements to clear mulch for minimum tillage | Dean W. Holst | 1994-09-27 |
| 4987841 | Coulter wheel assembly including applying dry or liquid fertilizer | Allen Rawson | 1991-01-29 |