Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9613493 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2017-04-04 |
| 9349242 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2016-05-24 |
| 8998705 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2015-04-07 |
| 8147323 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2012-04-03 |
| 7934989 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2011-05-03 |
| 7666091 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2010-02-23 |
| 7543817 | Combination hand-held game and candy dispenser | John Dudley, Michael Edward Stepanek, David J. Clark | 2009-06-09 |
| 6974385 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2005-12-13 |
| 6960136 | Gaming machine with visual and audio indicia changed over time | Shridhar P. Joshi, David K. Locke | 2005-11-01 |
| 6746327 | Gaming machine with player selected events | Erica A. Frohm, John J. Giobbi, Damon E. Gura, Joel R. Jaffe | 2004-06-08 |
| 6592457 | Gaming machine with player selected events | Erica A. Frohm, John J. Giobbi, Damon E. Gura, Joel R. Jaffe | 2003-07-15 |
| 6561904 | Decreasing or increasing number of multipliers for a multi-spin slot game | David K. Locke | 2003-05-13 |