Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11142953 | Rock drilling arrangement, rock drilling rig and drilling method | Kimmo Koskinen, Tero YLI-HANNUKSELA, Tapio Makinen, Toni Hietikko | 2021-10-12 |
| 10787867 | Gripping device and method of gripping drilling tools | Sami JARVENTAUSTA | 2020-09-29 |