Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10618777 | Rope lifting tool and a rope lifting arrangement | Hannu Lehtinen | 2020-04-14 |
| 10508002 | Rope lifting tool and a rope lifting arrangement | Hannu Lehtinen, Antti Koskinen, Pekka Hallikainen, Toma Cornea | 2019-12-17 |