Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8523647 | Gaming method, device, and system including trivia-based bonus game | — | 2013-09-03 |
| 7175521 | Gaming method, device, and system including trivia-based bonus game | — | 2007-02-13 |
| 6964416 | Method of playing a matching bonus game | Michael T. Tessmer, Julie A. Mottes, William E. Vorias | 2005-11-15 |
| 6939229 | Gaming method, device, and system including adventure bonus game | — | 2005-09-06 |
| 6905405 | Method and apparatus for gaming using symbols movable in the plane of a display | — | 2005-06-14 |
| 6902478 | Method and apparatus for an interactive bonus game | — | 2005-06-07 |
| 6837793 | Method and apparatus for gaming machines with a quasi-competition play bonus feature | — | 2005-01-04 |