Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760806 | Conservation opener | Marvis L. Ridgely, Michael D. Snyder | 1988-08-02 |
| 4723787 | Implement transport hitch | Howard C. Hadley, John R. Myers | 1988-02-09 |
| 4541549 | Agricultural hopper structure | Howard C. Hadley | 1985-09-17 |
| 4518046 | Multiple implement hitch and transport | Vernon E. Rettig, Ronald M. Steilen, Glenn D. Head, Jr. | 1985-05-21 |
| 4201348 | Feed grinding and mixing apparatus | Harold R. Lindstrom, Edward C. Ryan | 1980-05-06 |