Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4430880 | Device for straightening suspension bars removed from the cathode plates in electrolytic refining plants | Jarkko Nurmi | 1984-02-14 |
| 4314786 | Method and apparatus for handling cathode plate support rods | Pertti Tuominen | 1982-02-09 |
| 4297067 | Method and apparatus for handling packed layers of support rods in an electrolytic refining plant | Pertti Tuominen | 1981-10-27 |