Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070605 | Multi-area progressive gaming system | Joseph T. L. Tien, Vincent Edmiston Heyworth, Kirk K. Johnson, Arunachalam Yegappan | 2011-12-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8070605 | Multi-area progressive gaming system | Joseph T. L. Tien, Vincent Edmiston Heyworth, Kirk K. Johnson, Arunachalam Yegappan | 2011-12-06 |