Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8500537 | Group play of a lottery game | Jay S. Walker, Michael W. Patterson, Stephen C. Tulley | 2013-08-06 |
| 8226465 | Systems and methods for rewarding group participation in lottery games | Jay S. Walker, Jon E. Ellenthal, Stephen C. Tulley | 2012-07-24 |