Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6422352 | Procedure and apparatus for the installation of an elevator | Håkan Pettersson | 2002-07-23 |
| 6357556 | Procedure and apparatus for the installation of an elevator | Håkan Pettersson, Istvan Toth | 2002-03-19 |