Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5863087 | Locomotive carrier/portable steaming bay apparatus | — | 1999-01-26 |
| 4589332 | Flashing system for a grain drying bin | Donald B. Brockhaus, Calvin L. Fuehrer, Vernon H. Sietmann | 1986-05-20 |
| 4587893 | Grain drying bin | Donald B. Brockhaus, Calvin L. Fuehrer, Vernon H. Sietmann | 1986-05-13 |