Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044831 | Soil nailing | Ronald J. Bridle, Benjamin I. G. Barr, Colin I. Campbell | 1991-09-03 |
| 5017047 | Soil nailing | Ronald J. Bridle | 1991-05-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5044831 | Soil nailing | Ronald J. Bridle, Benjamin I. G. Barr, Colin I. Campbell | 1991-09-03 |
| 5017047 | Soil nailing | Ronald J. Bridle | 1991-05-21 |