Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4634317 | Method of rock bolting and tube-formed expansion bolt | Bo T. Skogberg | 1987-01-06 |
| 4509889 | Method of rock bolting and tube-formed expansion bolt | Bo T. Skogberg | 1985-04-09 |
| 4459067 | Method of rock bolting and tube-formed expansion bolt | Bo T. Skogberg | 1984-07-10 |