Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5833236 | Wrecking ball play feature for a pinball game | Dwight Sullivan | 1998-11-10 |
| 5417423 | Multiple kicker ramp for a pinball game | Zofia Bil | 1995-05-23 |
| 5356141 | Roulette scoring device | Zofia Bil, Python Anghelo | 1994-10-18 |
| 5351954 | Magnetic ball carrier for a pinball game | Zofia Bil | 1994-10-04 |
| 5226653 | Multilevel play feature for a pinball game | Zofia Bil, Bill Pfutzenreuter | 1993-07-13 |
| 5120059 | Rotary serial play feature | — | 1992-06-09 |
| 4861037 | Pinball runway and scoring feature | — | 1989-08-29 |
| 4773646 | Moving target assembly | Joseph Joos, Gary L. Berge | 1988-09-27 |