Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5616894 | Procedure for supplying, storing and displaying elevator control data | Juha-Petteri NIEMINEN, Aki Tamminen, Petri Huotari, Marjo Kauppinen, Kimmo Heikkilä | 1997-04-01 |