Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6991068 | Method for controlling the elevators in an elevator bank in a building divided into zones | Marja-Liisa Siikonen, Johannes De Jong | 2006-01-31 |
| 5153808 | Procedure and apparatus for protection of a data transmission network | Asko Juntunen, Heikki Leppanen | 1992-10-06 |