Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5114279 | Device for setting a rock bolt | Sven Eriksson, Lars Persson | 1992-05-19 |
| 4619551 | Device for removing degraded concrete | Hans Juan, Carl Akesson Stromdahl | 1986-10-28 |