Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6527059 | Loosened soil relative to sweeps for energy reduction on chisel plows | Eddie C. Burt, Clarence E. Johnson | 2003-03-04 |
| 4913070 | Ground contact implement soil penetration depth control | — | 1990-04-03 |