Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193069 | Coke plant tunnel repair and anchor distribution | John Francis Quanci, Gary Dean West, Daniel C. Charles | 2021-12-07 |
| 11008518 | Coke plant tunnel repair and flexible joints | John Francis Quanci, Gary Dean West, Daniel C. Charles, Andrew Michael Butor | 2021-05-18 |