Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5398625 | Grain drill unit having seed firming wheel | Eric Johnson, J. Michael McClure | 1995-03-21 |
| 5232054 | Front folding no-till drill | Eric Johnson, J. Michael McClure, Dan J. Obenland | 1993-08-03 |