Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197160 | Mine roof and rib support with reinforced channel | John C. Stankus | 2012-06-12 |
| 7794181 | Mine roof and rib support device | — | 2010-09-14 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197160 | Mine roof and rib support with reinforced channel | John C. Stankus | 2012-06-12 |
| 7794181 | Mine roof and rib support device | — | 2010-09-14 |