Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9039529 | Gaming machine having a display and speaker system with light piping material | Karl Wudtke, Vernon Bernard | 2015-05-26 |
| 8888588 | Game rating system for gaming devices | John R. Vallejo, Michael J. Mitchell, Marvin A. Hein | 2014-11-18 |
| 8708812 | Game rating system for gaming devices and related methods | John R. Vallejo, Michael J. Mitchell, Marvin A. Hein | 2014-04-29 |
| 8613660 | Game rating system for gaming devices | John R. Vallejo, Michael J. Mitchell, Marvin A. Hein | 2013-12-24 |
| 8550912 | Gaming machine having a display and speaker system with light piping material | Karl Wudtke, Vernon Bernard | 2013-10-08 |