Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296641 | Rock drill bit having outer and inner rock-crushing buttons | Fredrik Bjork | 2007-11-20 |
| 7281594 | Rock drill bit | — | 2007-10-16 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7296641 | Rock drill bit having outer and inner rock-crushing buttons | Fredrik Bjork | 2007-11-20 |
| 7281594 | Rock drill bit | — | 2007-10-16 |