Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5793518 | Electrochromic pane | Christine Lefrou, Francis Defendini, Odile Marrot | 1998-08-11 |
| 5663829 | Electrochromic pane | Christine Lefrou, Francis Defendini, Odile Marrot | 1997-09-02 |