Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6997303 | Carrier conveyor system | Melvin Edwards, Kelsey Schell, David M. Stewart | 2006-02-14 |
| 6966431 | Conveyor system for article treatment | John Jaynes, David M. Stewart, Kelsey Schell, Robert Kubsik, Melvin Edwards | 2005-11-22 |