Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6293389 | En masse bulk material conveyor apparatus | William McLean, II | 2001-09-25 |
| 6220425 | Bucket elevator | — | 2001-04-24 |
| 4799584 | Drive mechanism for bucket elevators | Hendrik Hartsuiker | 1989-01-24 |