Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5280909 | Gaming system with progressive jackpot | — | 1994-01-25 |
| 5116055 | Progressive jackpot gaming system linking gaming machines with different hit frequencies and denominations | — | 1992-05-26 |
| 4790537 | Multi-size reel symbols | Richard E. Smyth | 1988-12-13 |