Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881015 | Wedge barrel for a mine roof cable bolt | Alexander I. Wallstein, Raymond Brandon, Roland Walker | 2005-04-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6881015 | Wedge barrel for a mine roof cable bolt | Alexander I. Wallstein, Raymond Brandon, Roland Walker | 2005-04-19 |