Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6345671 | Flexible ground-driven residue management wheel | Mark C. Siemens, Robert F. Correa | 2002-02-12 |
| 4765263 | Apparatus for placement of fertilizer below seed with minimum soil disturbance | — | 1988-08-23 |
| 4300462 | Apparatus for planting seeds | William J. Conley | 1981-11-17 |