Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6916138 | Vibration dampened drilling tool | Marie-Louise Bergholt, Leif Karlsson | 2005-07-12 |
| 5865574 | Drill with coolant channels and method for its manufacture | — | 1999-02-02 |
| 5676499 | Drill with coolant channels and method for its manufacture | — | 1997-10-14 |
| 5634747 | Spiral drill with coolant channels and method to manufacture a spiral drill | Leif Karlsson, Kent Eriksson | 1997-06-03 |
| 5622461 | Drill and cutting insert therefor | Ake Sjolander | 1997-04-22 |
| 5429458 | Spiral drill | Leif Karlsson | 1995-07-04 |
| 5340246 | Indexable insert drill and an insert with a symmetrical drill point and cutting edges of different lengths | — | 1994-08-23 |
| 4993890 | Milling cutter and cartridge therefor | Per Nilsson, Lars-Gunnar Wallstrom | 1991-02-19 |
| 4598779 | Rock drill bit | Bernt S. Liljekvist, Bo Carl G. Nordmark | 1986-07-08 |