Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4553610 | Hydraulic striking machine | Raimo Pelto-Huikko, Esko A. O. Ahlman | 1985-11-19 |
| 4380901 | Hydraulic percussion machine | Raimo Pelto-Huikko, Esko A. O. Ahlman | 1983-04-26 |