Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12345020 | Percussion device and method for controlling the same | Mika Oksman, Juhani Laine, Ossi Ilari Grohn | 2025-07-01 |
| 11828137 | Breaking hammer and method of supporting percussion piston | Mika Oksman, Juhani Laine, Harri Moilanen | 2023-11-28 |
| 9777842 | Seal of tool and method of sealing | Ossi Kahra | 2017-10-03 |