Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339906 | Frontage element with decorative facing | Michel Le Feron De Longcamp | 2002-01-22 |
| 6253508 | Building front comprising elements with reduced weight | Michel Le Feron De Longcamp | 2001-07-03 |