Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5938200 | Wagering game of chance | John Cadigan, Robert C. Angell | 1999-08-17 |
| 5417424 | Player operated win checker appended to lottery agent terminal | Guy Snowden | 1995-05-23 |
| 4842278 | Hierarchical lottery network with selection from differentiated playing pools | — | 1989-06-27 |
| 4373726 | Automatic gaming system | Richard Churchill, Don W. Hartman, Richard A. Howard, Jr. | 1983-02-15 |