Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052353 | System and method for mine roof counter bore and cable bolt head securement therein | John G. Oldsen, John C. Stankus, Demrey G. Brandon | 2011-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8052353 | System and method for mine roof counter bore and cable bolt head securement therein | John G. Oldsen, John C. Stankus, Demrey G. Brandon | 2011-11-08 |