Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835355 | Method, apparatus and element for accomplishing an underwater weld joint | Juhani Niinivaara | 1989-05-30 |
| 4780944 | Method and tool for the freeing of parts held fast together | Juhani Niinivaara | 1988-11-01 |