Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5584222 | Method for charging bore-holes with explosive | Bjorn Engsbraten | 1996-12-17 |
| 4387142 | Granular material consisting of microporous hollow granules of lead powder | Alfons S. M. Lindholm | 1983-06-07 |
| 4374908 | Tubular electrode | Alfons S. M. Lindholm | 1983-02-22 |