Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10220968 | Grain storage bag loader apparatus | Leroy B. Stumpe | 2019-03-05 |
| 9137950 | Grain storage bag loader apparatus | Leroy B. Stumpe | 2015-09-22 |
| 9055717 | Grain vacuum attachment for unloading grain bags | Leroy B. Stumpe | 2015-06-16 |