Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008518 | Coke plant tunnel repair and flexible joints | John Francis Quanci, Gary Dean West, Daniel C. Charles, Ryan L. Yates | 2021-05-18 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11008518 | Coke plant tunnel repair and flexible joints | John Francis Quanci, Gary Dean West, Daniel C. Charles, Ryan L. Yates | 2021-05-18 |