Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661285 | Manually-adjustable lifter apparatus for conveyor belts | Andrew M. Collier, Leroy C. Williams | 2023-05-30 |
| 11242204 | Manually-adjustable lifter apparatus for conveyor belts | Andrew M. Collier, Leroy C. Williams | 2022-02-08 |