Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5655770 | Pinball solenoid power control system | William Pfutzenreuter | 1997-08-12 |
| 5497989 | Ball trough for pinball games | Ming D. Zhang, Robert S. Morrison | 1996-03-12 |
| 5405144 | Tilting play feature for a pinball game | John W. Skalon | 1995-04-11 |
| 5322283 | Rotary ball receptacle for a pinball game | John W. Skalon | 1994-06-21 |
| 5149093 | Amusement device with trading card dispenser | Winston H. Schilling, John R. Krutsch, Joseph Joos | 1992-09-22 |
| 5137278 | Amusement device with trading card dispenser | Winston H. Schilling, John R. Krutsch, Joseph Joos | 1992-08-11 |