|
| US4033588 | 16. Juni 1975 | 5. Juli 1977 | | Automatic keno game |
| US4249735 | 28. Juni 1978 | 10. Febr. 1981 | | Electronic simulated football game and method |
| US4299388 | 20. Juni 1979 | 10. Nov. 1981 | Concorde Manufacturing Company | Apparatus for controlling a reeled chance based amusement device |
| US4756531 | 17. Aug. 1987 | 12. Juli 1988 | | Apparatus and process for multiple wins in one game |
| US4993714 | 27. März 1990 | 19. Febr. 1991 | | Point of sale lottery system |
| US5192076 | 14. Nov. 1991 | 9. März 1993 | Sigma, Inc. | Keno game playing apparatus |
| US5788240 | 28. Febr. 1997 | 4. Aug. 1998 | | Method of playing a keno-type craps game |
| US5851010 | 25. Nov. 1997 | 22. Dez. 1998 | | Method of playing a game |
| US6095921 | 7. Apr. 1998 | 1. Aug. 2000 | Walker Digital, LLC | Electronic amusement device and method for operating a game offering continuous reels |
| US6174235 | 30. Dez. 1997 | 16. Jan. 2001 | Walker Digital, LLC | Method and apparatus for directing a game with user-selected elements |
| US6561902 | 27. Nov. 2000 | 13. Mai 2003 | Walker Digital, LLC | Method and apparatus for directing a game with user-selected elements |
| US6579178 | 24. Mai 2000 | 17. Juni 2003 | Walker Digital, LLC | Electronic amusement device and method for operating a game offering reels having puzzle pieces |
| US6843723 | 29. Mai 2002 | 18. Jan. 2005 | WMS Gaming Inc. | Gaming machine with visual and audio indicia changed over time |
| US6939226 | 4. Okt. 2000 | 6. Sept. 2005 | WMS Gaming Inc. | Gaming machine with visual and audio indicia changed over time |
| US6960136 | 8. März 2002 | 1. Nov. 2005 | WMS Gaming Inc. | Gaming machine with visual and audio indicia changed over time |
| US6974385 | 3. Aug. 2001 | 13. Dez. 2005 | WMS Gaming Inc. | Gaming machine with visual and audio indicia changed over time |
| US6991543 | 29. Dez. 2003 | 31. Jan. 2006 | WMS Gaming Inc. | Gaming machine with visual and audio indicia changed over time |
| US7004834 | 25. Febr. 2003 | 28. Febr. 2006 | Walker Digital, LLC | System and method for facilitating play of a game with user-selected elements |
| US7112139 | 19. Dez. 2001 | 26. Sept. 2006 | WMS Gaming Inc. | Gaming machine with ambient noise attenuation |
| US7306519 | 12. Sept. 2002 | 11. Dez. 2007 | IGT | Gaming device having free game keno |
| US7306519 | 12. Sept. 2002 | 11. Dez. 2007 | IGT | Gaming device having free game keno |
| US7311603 | 8. Juni 2005 | 25. Dez. 2007 | Walker Digital, LLC | Electronic amusement device and method for operating a game offering continuous reels |
| US7354344 | 31. Mai 2003 | 8. Apr. 2008 | IGT | Gaming device having a plurality of interactive player-selectable symbols |
| US7364508 | 16. Jan. 2003 | 29. Apr. 2008 | WMS Gaming, Inc. | Gaming machine environment having controlled audio and visual media presentation |
| US7367886 | 16. Jan. 2003 | 6. Mai 2008 | WMS Gaming Inc. | Gaming system with surround sound |
| US7399227 | 23. Juni 2003 | 15. Juli 2008 | IGT | Central determination gaming system with a keno game |
| US7452269 | 8. Nov. 2002 | 18. Nov. 2008 | Atronic International GmbH | Video gaming machine playing secondary game using displayed symbols |
| US7470186 | 12. Aug. 2003 | 30. Dez. 2008 | IGT | Gaming device having a game with sequential display of numbers |
| US7479063 | 30. Sept. 2004 | 20. Jan. 2009 | WMS Gaming Inc. | Audio network for gaming machines |
| US7553230 | 28. Sept. 2004 | 30. Juni 2009 | IGT | Gaming device having matching game with improved display |
| US7717787 | 15. Okt. 2007 | 18. Mai 2010 | IGT | Electronic amusement device and method for operating a game offering continuous reels |
| US7766747 | 14. Juli 2005 | 3. Aug. 2010 | WMS Gaming Inc. | Gaming machine with surround sound features |
| US7837547 | 14. Dez. 2004 | 23. Nov. 2010 | IGT | Gaming device having a wagering game wherein a wager amount is automatically determined based on a quantity of player selections |
| US7867085 | 9. Sept. 2005 | 11. Jan. 2011 | WMS Gaming Inc. | Gaming machine environment having controlled audio and visual media presentation |
| US7901282 | 14. Juli 2006 | 8. März 2011 | IGT | Gaming device having competitive/bonus matching game |
| US7909690 | 8. Aug. 2006 | 22. März 2011 | IGT | Gaming device and method providing calculated reel symbol evaluation |
| US7934989 | 5. Jan. 2010 | 3. Mai 2011 | WMS Gaming Inc. | Gaming machine with visual and audio indicia changed over time |
| US7993191 | 10. März 2008 | 9. Aug. 2011 | IGT | Gaming system, gaming device and method for providing draw poker game |
| US8016289 | 14. Apr. 2010 | 13. Sept. 2011 | IGT | Electronic amusement device and method for operating a game offering continuous reels |
| US8070587 | 26. Okt. 2007 | 6. Dez. 2011 | IGT | Gaming system and method providing a multiplayer bonus game having a plurality of award opportunities |
| US8113939 | 8. Sept. 2006 | 14. Febr. 2012 | IGT | Gaming device and method providing relatively large awards with variable player participation levels |
| US8147323 | 2. Mai 2011 | 3. Apr. 2012 | WMS Gaming Inc. | Gaming machine with visual and audio indicia changed over time |
| US8172677 | 5. Nov. 2007 | 8. Mai 2012 | WMS Gaming Inc. | Wagering games using multi-level gaming structure |
| US8187084 | 23. Aug. 2011 | 29. Mai 2012 | IGT | Electronic amusement device and method for operating a game offering continuous reels |
| US8210532 | 30. Juni 2011 | 3. Juli 2012 | IGT | Gaming system, gaming device and method for providing draw poker game |
| US8210533 | 30. Juni 2011 | 3. Juli 2012 | IGT | Gaming system, gaming device and method for providing draw poker game |