Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5014822 | Method for installing an elevator inside a building, and assembly jigs used therefor | Jean-Claude Chapelain, Patrice Masson, Gerard C. Dupoty | 1991-05-14 | $4,909,000 |