Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582145 | Pressure-medium driven percussion device | Pekka Salmi | 1986-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4582145 | Pressure-medium driven percussion device | Pekka Salmi | 1986-04-15 |