Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953689 | Conveyor belt cleaner | Edwin H. Peterson, Robert Todd Swinderman | 1990-09-04 |
| 4676402 | Quick release aerator | — | 1987-06-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4953689 | Conveyor belt cleaner | Edwin H. Peterson, Robert Todd Swinderman | 1990-09-04 |
| 4676402 | Quick release aerator | — | 1987-06-30 |