Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016878 | Method and device for drilling | — | 2000-01-25 |
| 5996710 | Drilling device | Erik Oden | 1999-12-07 |
| 5284216 | Down-the-hole drill tool for drilling in advance of a casing tube | Anders Brungs, Jan-Gunnar Hedlund, Bengt Asberg | 1994-02-08 |
| 4770259 | Drill tool | — | 1988-09-13 |
| 4760887 | Drill element for percussion drilling | Lars E. Liljeblad, Bernt S. Liljekvist | 1988-08-02 |