Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491296 | Arcade game with spinning wheel bonus | Norman B. Petermeier, Matthew F. Kelly, J. Richard Oltmann | 2002-12-10 |
| 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, Norman B. Petermeier, John G. Kroeckel, John E. Link | 2002-09-24 |
| 6446964 | Computerized game apparatus with progressive bonus | Norman B. Petermeier, Matthew F. Kelly, J. Richard Oltmann | 2002-09-10 |
| 6382631 | Skill-based water gun game | Norman B. Petermeier, J. Richard Oltmann | 2002-05-07 |