Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10508002 | Rope lifting tool and a rope lifting arrangement | Hannu Lehtinen, Antti Koskinen, Pekka Hallikainen, Teemu Majasalmi | 2019-12-17 |
| 10214388 | Rope storage unit, a method for installing elevator and a method for fabricating rope storage unit | Hannu Lehtinen, Antti Ikonen, Riku Lampinen, Antti Koskinen | 2019-02-26 |