Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454648 | System, method and article of manufacture for providing a progressive-type prize awarding scheme in an intermittently accessed network game environment | Matthew F. Kelly, Bryan M. Kelly, Norman B. Petermeier, John E. Link | 2002-09-24 |