Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9076299 | Gaming system and method for providing an offer and acceptance game with progressive awards | Craig Schaefer, Christopher B. Drake, Cameron A. Filipour | 2015-07-07 |
| 8764557 | Gaming system and method for providing an offer and acceptance game with progressive awards | Craig Schaefer, Christopher B. Drake, Cameron A. Filipour | 2014-07-01 |
| 8454434 | Gaming system and method for providing an offer and acceptance game with progressive awards associated with a quantity of progressive tokens | Craig Schaefer, Christopher B. Drake, Cameron A. Filipour | 2013-06-04 |