Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12146387 | Flapper valve for percussion drill tools | Markku Keskiniva | 2024-11-19 |
| 12024950 | Flushing and connection arrangements for percussion drill tools | Markku Keskiniva | 2024-07-02 |