Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6929431 | Vibration-dampened tool for working in metallic material | Marie-Louie Bergholt, Klas Tubinger | 2005-08-16 |
| 6916138 | Vibration dampened drilling tool | Marie-Louise Bergholt, Tommy Tukala | 2005-07-12 |
| 5634747 | Spiral drill with coolant channels and method to manufacture a spiral drill | Tommy Tukala, Kent Eriksson | 1997-06-03 |
| 5429458 | Spiral drill | Tommy Tukala | 1995-07-04 |
| 4943240 | Electrical connection | — | 1990-07-24 |
| 4889455 | Drill | Kurt Karlsson | 1989-12-26 |
| 4784836 | Device for the purification of gas, especially combustion gas | Lennart Karlsson | 1988-11-15 |
| 4648760 | Drill and cutting insert therefor | Kurt Karlsson | 1987-03-10 |