Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6076860 | Scratch-off lottery game with dual transparent layers | Francois Gougeon | 2000-06-20 |
| 5803504 | Multicolor overprinting of scratch-off lottery tickets | Jean-Pierre Deshiens | 1998-09-08 |