Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819765 | Arrester device for elevators | Hugo Winkler | 1989-04-11 |
| 4805741 | Elevator brake | Jouko Perttula | 1989-02-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819765 | Arrester device for elevators | Hugo Winkler | 1989-04-11 |
| 4805741 | Elevator brake | Jouko Perttula | 1989-02-21 |