Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740179 | Method for making a joint between copper and stainless steel | Veikko Polvi, Pekka Taskinen | 2004-05-25 |
| 6725517 | Method for plugging a hole and a cooling element manufactured by said method | Veikko Polvi | 2004-04-27 |