Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9975736 | Door sill unit and method for an elevator landing door unit | — | 2018-05-22 |
| 6494001 | Procedure for installing a landing door, and a corresponding installation system | Ari Ketonen, Jori Hagg | 2002-12-17 |
| 6353990 | Procedure and apparatus for post-facing of elevator car door and landing door | Ari Ketonen | 2002-03-12 |
| 5794746 | Door sill arrangement in an elevator car | Ari Ketonen | 1998-08-18 |