Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6648757 | Dual-award bonus game for a gaming machine | William Grupp | 2003-11-18 |
| 6612927 | Multi-stage multi-bet game, gaming device and method | Lawrence E. DeMar, Duncan F. Brown | 2003-09-02 |
| 6520855 | Gaming machines with board game theme | Lawrence E. DeMar, Joel R. Jaffe, Erica Frohm, William Grupp, Robert J. Wilson, Jr. +1 more | 2003-02-18 |
| 6508707 | Gaming machines with board game theme, apparatus and method | Lawrence E. DeMar, Joel R. Jaffe, Erica Frohm, William Grupp, Robert J. Wilson, Jr. +1 more | 2003-01-21 |
| 6506117 | Gaming machines with board game theme | Lawrence E. DeMar, Joel R. Jaffe, Erica Frohm, William Grupp, Robert J. Wilson, Jr. +1 more | 2003-01-14 |