Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694144 | Electrochromic system and its supply process | Marc Ast | 1997-12-02 |
| 5663829 | Electrochromic pane | Francis Defendini, Florence Garot, Odile Marrot | 1997-09-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694144 | Electrochromic system and its supply process | Marc Ast | 1997-12-02 |
| 5663829 | Electrochromic pane | Francis Defendini, Florence Garot, Odile Marrot | 1997-09-02 |