Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006892 | Method for forming a tight-fitting silver surface on an aluminium piece | Veikko Polvi | 2011-08-30 |
| 7871504 | Method for forming an electrocatalytic surface on an electrode and the electrode | Michael H. Barker, Olli Hyvärinen | 2011-01-18 |
| 7504009 | Method for the formation of a good contact surface on an aluminium support bar and a support bar | Veikko Polvi | 2009-03-17 |
| 7425257 | Method for the formation of a good contact surface on a cathode support bar and support bar | Veikko Polvi | 2008-09-16 |