Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5700007 | Ticket redemption arcade game | Norman B. Petermeier, Matthew F. Kelly, J. Richard Oltmann | 1997-12-23 |
| 5676371 | Arcade games | Matthew F. Kelly, Norman B. Petermeier, Joseph L. Tallarico, Keven A. Heyes, Jeffrey L. Allen | 1997-10-14 |
| 5667217 | Roll-down arcade game | Matthew F. Kelly, Phillip Yee, Kevin Heyes | 1997-09-16 |