Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100263 | Mine roof support assembly | Stephen Brown | 1992-03-31 |
| 5033913 | Mine roof support | Peter Crossland, James B. Longford | 1991-07-23 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5100263 | Mine roof support assembly | Stephen Brown | 1992-03-31 |
| 5033913 | Mine roof support | Peter Crossland, James B. Longford | 1991-07-23 |