Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4903519 | Apparatus for straightening cast anodes | Rauno K. Hukkanen, Seppo I. Kuisma | 1990-02-27 |
| 4903520 | Method for straightening cast anodes | Rauno K. Hukkanen, Seppo I. Kuisma | 1990-02-27 |
| 4806213 | Method and apparatus for stripping electrolytic precipitate from supporting structures | Matti O. Leiponen, Seppo J. Erlamo, Pentti K. Kujanpaa | 1989-02-21 |