Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8919789 | Harvester with suspended rear axle | Darren J. Nelson, Nicholas H. Williams | 2014-12-30 |
| 7735305 | Removable cover and implement incorporating same | Robert Allen Ostdiek, David M. Converse, Joseph J. Oliver | 2010-06-15 |
| 4926947 | Turf aerating apparatus with resilient handle mount | David G. Ferguson, Loren F. Hansen, Mark E. Lamb | 1990-05-22 |
| 4924944 | Side-ejecting, double coring tine | Norval L. Papke, Jr., Loren F. Hansen | 1990-05-15 |
| 4881602 | Turf aerating tine | Loren F. Hansen | 1989-11-21 |
| 4867244 | Turf aerating apparatus | David G. Ferguson, Loren F. Hansen, Mark E. Lamb | 1989-09-19 |