Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014822 | Method for installing an elevator inside a building, and assembly jigs used therefor | Jean-Claude Chapelain, Patrice Masson, Gerard Crenn | 1991-05-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014822 | Method for installing an elevator inside a building, and assembly jigs used therefor | Jean-Claude Chapelain, Patrice Masson, Gerard Crenn | 1991-05-14 |