Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11643859 | Door closer arrangement | Sauli Seppänen, Juhani Karvonen, Petri Sallinen | 2023-05-09 |
| 6877278 | Door closing arrangement for controlling closure sequence of turnable double doors | Timo Tallus | 2005-04-12 |
| 6742302 | Closure sequence control arrangement for double doors | — | 2004-06-01 |
| 6564510 | Door closing arrangement for a double door | Harri Juntunen | 2003-05-20 |
| 5943736 | Door closer | Jaakko Junttila | 1999-08-31 |
| 5083448 | Electromechanical door lock | Keijo Lehikoinen | 1992-01-28 |