Issued Patents All Time
Showing 76–96 of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7018292 | Methods and systems for metered raffle-style gaming | Joseph J. Tracy, Jason Bliss, Alvin Ringgold, Mark G. Meyer | 2006-03-28 |
| 6991538 | Gaming device having a card game with negative impact cards | — | 2006-01-31 |
| 6984174 | Method and apparatus for a player-controllable bonus game | Julie A. Mottes, Brian Johnson, Michael White | 2006-01-10 |
| 6860810 | Gaming machines and systems offering simultaneous play of multiple games and methods of gaming | John P. O'Donovan | 2005-03-01 |
| 6840859 | Method and apparatus for mapping information from multiple sources onto a single image | Danny W. Bilyeu | 2005-01-11 |
| 6837788 | Method of playing a dual wagering game | — | 2005-01-04 |
| 6800026 | Method and apparatus for competitive bonus games with a player as the house | — | 2004-10-05 |
| 6786824 | Method, apparatus, and system for providing a player with opportunities to win a feature event award | — | 2004-09-07 |
| 6780111 | Method, apparatus and system for perpetual bonus game | Don G. DuPerault | 2004-08-24 |
| 6746330 | Method and device for implementing a coinless gaming environment | — | 2004-06-08 |
| 6746328 | Multiplier per selected indicia | Dustin Fasbender | 2004-06-08 |
| 6652378 | Gaming machines and systems offering simultaneous play of multiple games and methods of gaming | John P. O'Donovan | 2003-11-25 |
| 5766074 | Device and method for displaying a final gaming result | John P. O'Donovan | 1998-06-16 |
| 5559950 | Graphics processor enhancement unit | — | 1996-09-24 |
| 4902953 | Motorized window blind electrical actuator | David W. Kraft, Lyle N. Eberhardt | 1990-02-20 |
| 4553080 | Position transducer | Peter C. Schmitt, Dan R. Cheever | 1985-11-12 |
| 4499650 | Automatic tool changer | Kentner B. Wilson | 1985-02-19 |
| 4362979 | Stepping motor control circuit | — | 1982-12-07 |
| 4267497 | Resolver interface for servo position control | Amos R. Mansfield, Jr. | 1981-05-12 |
| 4264850 | Position encoder interface for a servo control system | Daniel R. Cheever | 1981-04-28 |
| 4234830 | Stepping motor control circuit | — | 1980-11-18 |