Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5074813 | Method and arrangement on a vessel | Antti K. H. Jarvi, Erkki V. E. Hirvonen | 1991-12-24 |
| 4973275 | Method and arrangement on a vessel | Antti K. H. Jarvi, Erkki V. E. Hirvonen | 1990-11-27 |