Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807522 | Piston and attaching apparatus for piston-and-cylinder arrangements | Olli Saarela, Erkki Haapanen | 1989-02-28 |
| 4740100 | Attachment lug adapted to be fixed to an end of a cylindrical body, such as a power cylinder, and assembly | Olli Saarela, Erkki Haapanen | 1988-04-26 |