Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033913 | Mine roof support | Brian J. Woodford, Peter Crossland | 1991-07-23 |
| 4573828 | Roof support suitable for use in mines | Michael D. Jones | 1986-03-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5033913 | Mine roof support | Brian J. Woodford, Peter Crossland | 1991-07-23 |
| 4573828 | Roof support suitable for use in mines | Michael D. Jones | 1986-03-04 |