Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7392863 | Rock drill bit | — | 2008-07-01 |
| 7296641 | Rock drill bit having outer and inner rock-crushing buttons | Per-Ola Hadin | 2007-11-20 |
| 7207402 | Percussion drill bit and a regrindable cemented carbide button therefor | — | 2007-04-24 |
| D525995 | Portion of a drill bit | Bertil Ederyd, Kenneth Larsson | 2006-08-01 |