Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7489443 | Roll-up projection screen | Patrice Congard, Jean-Pierre Charrier | 2009-02-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7489443 | Roll-up projection screen | Patrice Congard, Jean-Pierre Charrier | 2009-02-10 |